{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1585516442",
    "entityType": "Track",
    "nonce": "0xe11108e71002139de4fbb967d42a15db8143e8fec7d9205c55e17a054311508a",
    "signature": "0x7153e09b2430233ca4d3bd94adcc66616c6a7548405f0afc266d05cf6797ebe9586bfa554549b5a10fe547ab520f4d31607a3dde7fa66e2a7410a84f3628b0441c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}