{
  "manageEntity": {
    "action": "Delete",
    "entityId": "374585039",
    "entityType": "Track",
    "nonce": "0xfbaca430733097f03231946f2fda1531c51b04de6ac6b7831b5dd5fb8c4cd2af",
    "signature": "0xb6a5185ead370f2ea04aaac3919acbb0aaa0759c17be77f3118b8d2ffaf2a6cd3b60cc14697c996c1b4f25eab4bd39271bcbc8afdfe7ed532104e75ca4ea43aa1c",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}