{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "562237820",
    "entityType": "User",
    "nonce": "0x4893503d1e3bac6837395e47d045bffdcf6cd536d42da6533c61465a11d99e0d",
    "signature": "0xb3126fdca76e5fbf056e79d39c2c82ece85da85bfc581107aaf3578f5f7b99bf290a03751934a2e487d9b3c847c477e88dd59dce9af17e97144964bfac4576061c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}