{
  "manageEntity": {
    "action": "Delete",
    "entityId": "602212",
    "entityType": "Track",
    "nonce": "0x674d312b2b9e4253171c56139a982654665fb5edb44d3d215c19966f56606ec5",
    "signature": "0xc284ff82df361f043e1a139391ad0b49d044f1dd7fccc2adab35820d0ff168b62af2bbc07014c1c4d10927d341f5dfd8643d8e6d57245c8807867fc1cb4c7f9c1c",
    "signer": "0x0e326C17caA7B0b31132f30174046e255f778E29",
    "userId": "148748"
  }
}