{
  "manageEntity": {
    "action": "Delete",
    "entityId": "312707487",
    "entityType": "Track",
    "nonce": "1786798688546796330",
    "signature": "0xaba59e81a25e437b86b21e0b6d41296052935f11364fd12d521d191c017294823508313e43eda6bad315ec6c93936b4bf171f6c4fe6361f568bd262f686c8b611b",
    "signer": "0xeaB6b479B33FEc6303065aeab4C0b6D344f091C6",
    "userId": "1421026"
  }
}