问题在于 coach、goalkeepers 和 defender 之类的实体我不知道如何为这种响应创建一个类

{
  "squad": [
    [
      "coach",[
        {
          "id": 78621,"name": "Gareth Southgate","ccode": "ENG","cname": "England"
        }
      ]
    ],[
      "goalkeepers",[
        {
          "id": 280287,"name": "Sam Johnstone","ccode": "8659","cname": "West Bromwich Albion","role": "goalkeepers"
        },{
          "id": 303919,"name": "Jordan Pickford","ccode": "8668","cname": "Everton",{
          "id": 746395,"name": "Aaron Ramsdale","ccode": "8657","cname": "Sheffield United","role": "goalkeepers"
        }
      ]
    ],[
      "defenders",[
        {
          "id": 159833,"name": "Kyle Walker","ccode": "8456","cname": "Manchester City","role": "defenders"
        },{
          "id": 191869,"name": "Kieran Trippier","ccode": "9906","cname": "Atletico Madrid",{
          "id": 247761,"name": "Conor Coady","ccode": "8602","cname": "Wolverhampton Wanderers",{
          "id": 255610,"name": "Harry Maguire","ccode": "10260","cname": "Manchester United",{
          "id": 263653,"name": "John Stones",{
          "id": 362694,"name": "Luke Shaw",{
          "id": 419664,"name": "Tyrone Mings","ccode": "10252","cname": "Aston Villa",{
          "id": 672469,"name": "Ben Chilwell","ccode": "8455","cname": "Chelsea",{
          "id": 776151,"name": "Ben White","ccode": "10204","cname": "Brighton & Hove Albion",{
          "id": 807729,"name": "Reece James","role": "defenders"
        }
      ]
    ],[
      "midfielders",[
        {
          "id": 156008,"name": "Jordan Henderson","ccode": "8650","cname": "Liverpool","role": "midfielders"
        },{
          "id": 609755,"name": "Kalvin Phillips","ccode": "8463","cname": "Leeds United",{
          "id": 654096,"name": "Declan Rice","ccode": "8654","cname": "West Ham United",{
          "id": 750032,"name": "Mason Mount",{
          "id": 1077894,"name": "Jude Bellingham","ccode": "9789","cname": "Borussia Dortmund","role": "midfielders"
        }
      ]
    ],[
      "attackers",[
        {
          "id": 194165,"name": "Harry Kane","ccode": "8586","cname": "Tottenham Hotspur","role": "attackers"
        },{
          "id": 246575,"name": "Raheem Sterling",{
          "id": 312765,"name": "Jack Grealish",{
          "id": 612150,"name": "Dominic Calvert-Lewin",{
          "id": 696365,"name": "Marcus Rashford",{
          "id": 815006,"name": "Phil Foden",{
          "id": 846381,"name": "Jadon Sancho",{
          "id": 961995,"name": "Bukayo Saka","ccode": "9825","cname": "Arsenal","role": "attackers"
        }
      ]
    ]
  ]
}