{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x453655d509286b830baf18ba99145d548a255a151e9221467a664c2ec1bbb1c6",
    "signature": "0xf71550cf17c760e5ed6eb07ce12dad8c12816e037b6d9c7db0eb776cd890f4aa30eae42a6324d33a57dd5183d7b1142ec5aca9b3a6399e437ed79faf5ed5bde21c",
    "signer": "0xfe6022590e48C8eA51d706EbF4eAe799214A737c",
    "userId": "900610030"
  }
}