{
  "manageEntity": {
    "action": "Delete",
    "entityId": "250544",
    "entityType": "Track",
    "nonce": "0x0c197012b48da54280e93cc0fe1a53ca68e4cfd1adeb921d8d692d7aca93df48",
    "signature": "0xe94f98a1f29626b1d1b62e9208b03b3b8e13b1c77c682fe05031e65c6efb491c32a24fef2c44ec0e247bc2d97fb982be9e8986039c63a509fad06956edbc8c1c1b",
    "signer": "0xfEf71DA96b2A873D3fFA10091881F607a11Fadcc",
    "userId": "94805"
  }
}