{
  "manageEntity": {
    "action": "Delete",
    "entityId": "659606298",
    "entityType": "Track",
    "nonce": "0x361cd4164a85986713ee9284f93c9edcaf67045720864982dd21f263de4e5691",
    "signature": "0x76b4af8656f20425e43e5003939d5423940e96d3a572a69dbd987aaa0506b2000ea99cbec1b5069e6a83f696a9cf24cd0abd7c8a85e8f981ddb492f3307e61df1b",
    "signer": "0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f",
    "userId": "96864"
  }
}