{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcc39469d169caafdcacb5e10ee81b1c196b6028657ad78ca31200810d8a2b0c6",
    "signature": "0x59078c5baf97e57bdade85a9502331f60b47a5503a6353c02a6942c687508f5a3cc1a8a2b0b10560336dc284acf987ad3da93f38b30392e63f1710b07205208f1b",
    "signer": "0xF98284Bd93FbfB17E9b86627736deFDcd9cd1334",
    "userId": "616044750"
  }
}