{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311829956",
    "entityType": "User",
    "nonce": "0x8d500ea65dcd85709975be658b2c74170f83e2527c5e455d9922eafafa6687df",
    "signature": "0x22610bf00305d6200232ae229d88b79353cd58572dc858b061377e72974280b41cfebaf44dbfbcab83b608bffcc18b32826fd8697bac113418128e0bb17ad6c71b",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}