{
  "manageEntity": {
    "action": "Delete",
    "entityId": "251595124",
    "entityType": "Track",
    "nonce": "0xc999a17e70701634ca7034dad532eb0e349b0063fb1960ddbb875a0a04e28c3e",
    "signature": "0xcbf66799f43550b2b3b8ed9b8a562ec7b46043306950db72db73a9ee144c5a7061f4b01cffd4acaf383b30dd0bf1a2e5d32271184bb1c947f5a9b60ea25f22981c",
    "signer": "0x70DE3E32cb40Af4BbBFE727482Ba64c0DE1aB844",
    "userId": "18534721"
  }
}