{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162449215",
    "entityType": "User",
    "nonce": "0x845a25989aaf0ac7b9f6cc6563e2bcdbc934bd326e6de20c472d7341a3290d31",
    "signature": "0xcc35978dc60d70fd89957dd753d76c4a3b39c69f3e12e8703eee704871ac5e97046c83cf6397130f1ba36382f307ffb6b14bef22a8175c5fa6d3266cb393b1b21c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}