{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1991405488",
    "entityType": "Track",
    "nonce": "0xd1a1424c38088f0fcd5e47a4a27a14195669268df4f6e92279428f183947970f",
    "signature": "0x2820bba2b5023c0dd83c5d6585f6900fb4b46e553414453d3e89787e9184c21634547facdcf9af910a195e7dbff4f461149aa4d7a94343c0066cff894725f00a1b",
    "signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
    "userId": "715160400"
  }
}