{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x0f72205e12c04eee402f4aa2262275ad3f53902b519a6aa44289e8df7c96808a",
    "signature": "0x097ea33b588e2766d24905b21c1b3a1d9b0d130c5098d9df8242c91ee1e5df6825c7f8f4c1997cb988772291c252e24df799808f526aa0857c40f162d54bf5721c",
    "signer": "0x9A16d974E945A1b74E5064EB00C2731Ba1dB8fF7",
    "userId": "700389917"
  }
}