{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbcecdd5e87132837c4b3407971a4e2286b1fbbed9a54117606906a7898c39128",
    "signature": "0xc3c0e38c6df7ba46703b20af4aef2cfdad9517b7702a3911229f97e791d96732341f55ed987bbf46f53bc7b4ae911a03d63618ddc0ca673da4d17b3c812e778e1c",
    "signer": "0xC5809e3def047d7D741E725e800c087a1DcE4FEc",
    "userId": "891797011"
  }
}