{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1214824366",
    "entityType": "Track",
    "nonce": "0xf70dbdcd485823f4576b3b1eecc09c054b3de338679ff7d596748743b7e14cee",
    "signature": "0xf9ecb7db162c516bf57f3fc3eb418c399fb340a4b8a5cdc47228206e8cf084c04e6412a44f05f7ea05116b56ba007339386aa39e140890552fe871f43cb78d371c",
    "signer": "0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f",
    "userId": "68375"
  }
}