Footy Tab Bet Specific or Generic json structure.

bets-list.json

[{
  "type": "FOOTY",
  "competition": "NRL",
  "betType": "PICK_THE_WINNERS",
  "stake": "$2.00",
  "flexi": true,
  "date": "2016-03-23",
  "matches": [
    {"legs": [
          {"selections": ["H"]}
        ]},
    {"legs": [
          {"selections": ["H","A"]}
        ]},
    {"legs": [
          {"selections": ["A"]}
    ]},
  ]
},
{
  "type": "FOOTY",
  "competition": "NRL",
  "betType": "PICK_THE_SCORES",
  "stake": "$1.00",
  "flexi": false,
  "date": "2016-03-23",
  "matchNumber": 3,
  "matches": [
    {"legs": [
          {"selections": [48]},
          {"selections": [0,1,2]}
        ]},
  ]
},
{
  "type": "FOOTY",
  "competition": "NRL",
  "betType": "PICK_THE_MARGINS",
  "stake": "$3.00",
  "flexi": false,
  "date": "2016-03-23",
  "matches": [
    {"legs": [
          {"selections": ["ALL"]}
        ]},
    {"legs": [
          {"selections": [0,1]}
        ]},

    {"legs": [
          {"selections": [4,5]}
        ]},
  ]
},

{
  "type": "FOOTY",
  "competition": "AFL",
  "betType": "PICK_THE_WINNERS",
  "stake": "$2.00",
  "flexi": true,
  "date": "2016-03-23",
  "matches": [
    {"legs": [
          {"selections": ["H","A"]}
        ]},
    {"legs": [
          {"selections": ["H","A"]}
        ]},

    {"legs": [
          {"selections": ["A"]}
        ]},
  ]
},
{
  "type": "FOOTY",
  "competition": "AFL",
  "betType": "PICK_THE_MARGINS",
  "stake": "$3.00",
  "flexi": false,
  "date": "2016-03-23",
  "matches": [
    {"legs": [
          {"selections": ["ALL"]}
        ]},
    {"legs": [
          {"selections": [0,"MYSTERY"]}
        ]},

    {"legs": [
          {"selections": [4,5]}
        ]},
  ]
},
{
  "type": "FOOTY",
  "competition": "AFL",
  "betType": "WIN",
  "stake": "$3.00",
  "flexi": false,
  "date": "2016-03-23",
  "matchNumber": 3,
  "matches": [
    {"legs": [
          {"selections": [1,2]}
        ]}
  ]
},
{
  "type": "FOOTY",
  "competition": "AFL",
  "betType": "QUAD",
  "stake": "$0.50",
  "flexi": false,
  "date": "2016-03-23",
  "matches": [
    {"legs": [
          {"selections": [1,2]}
        ]},
    {"legs": [
          {"selections": [7,8,9]}
        ]},
    {"legs": [
          {"selections": [16]}
        ]},
    {"legs": [
          {"selections": [3,4]}
        ]},
  ]
},
{
  "type": "FOOTY",
  "competition": "AFL",
  "betType": "QUARTER_QUAD",
  "stake": "$3.50",
  "flexi": false,
  "date": "2016-03-23",
  "matches": [
    {"legs": [
          {"selections": [2,3]}
          {"selections": [3]},
          {"selections": [1]},
          {"selections": [8]}
        ]},
  ]
},
{
  "type": "FOOTY",
  "competition": "AFL",
  "betType": "DOUBLE",
  "stake": "$3.50",
  "date": "2016-03-21",
  "matches": [
    {"legs": [
          {"selections": [2,3]}
        ]},
    {"legs": [
          {"selections": [3,4]}
        ]}
  ]
},
{
  "type": "FOOTY",
  "competition": "AFL",
  "betType": "HALF_DOUBLE",
  "stake": "$1.50",
  "flexi": false,
  "date": "2016-03-20",
  "matches": [
    {"legs": [
          {"selections": [10]},
          {"selections": [12]}
        ]},
  ]
},
{
  "type": "FOOTY",
  "competition": "AFL",
  "betType": "XTRA_DOUBLE",
  "stake": "$3.50",
  "flexi": false,
  "date": "2016-03-23",
  "matches": [
    {"legs": [
          {"selections": [2,3]}
        ]},
    {"legs": [
          {"selections": [3,4]}
        ]}
  ]
},
{
  "type": "FOOTY",
  "competition": "AFL",
  "betType": "HALF_XTRA_DOUBLE",
  "stake": "$1.50",
  "flexi": false,
  "date": "2016-03-13",
  "matches": [
    {"legs": [
          {"selections": [10]},
          {"selections": [12]}
        ]},
  ]
}
]

instead of sportType why not use competiton as "NRL" and "AFL" are sport competition

{
  "type": "FOOTY",
  "competition": "NRL",
  "betType": "PICK_THE_MARGINS",
  "stake": "$3.00",
  "flexi": false,
  "matches": [
    ["ALL"],
    [0,1],
    [4,5]
  ]
},

s/matchs/matches/ :)