{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x92e758965f58bd3b06fc62bc1b5b1cb49d7e2370478b2f0727ef5629074120c6",
    "signature": "0x8c7e3ba26ebe4ec2f130f91f3f925638b1118a4830557917cca86c633f769b353189f32e9995f85249405f2e168c0e72d029966a493481a4147e1489ff4da6bc1c",
    "signer": "0xE35DcC5C816D790A9f730B4696F43Caf64d5d1e6",
    "userId": "603916020"
  }
}