{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18985",
    "entityType": "User",
    "nonce": "0x98066db8dec31c00a3dbb91f81fd4828c0b371ba4729e7a89a2996d9da2de6eb",
    "signature": "0xfa0bbd206a56b427ab7d6b572916af4ebd8faf0263e823c79080ac51273488ac1ff91248ed316ac94b020342d9e1fc0c202505135ac85ef943faf7921a39e1421b",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}