{
  "manageEntity": {
    "action": "Delete",
    "entityId": "642118267",
    "entityType": "Track",
    "nonce": "0x33959eb78057c99aa562959923612d879f80c57704156aea63a26428e0aedc8e",
    "signature": "0x85b6ede58a3319a4b7a609af2e1a5ca66e0ee975a9d32f6b413540e36d4636a15189f968c75e34fbe989735b8d140f35400f4ce707a2bb3c12d30ea98c49237a1c",
    "signer": "0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f",
    "userId": "28561"
  }
}