{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0xa85e5b78b17e087f7ee3617fc03d65ee578164ffb4aed151863454e0fb6ea548",
    "signature": "0x6e3bd99428ecfcd7f545cb28b342e3c71510025d5a678f6996ef0762167be01b24a4ab6550622f58a55ba8770543da6e471285c11e1d529b1987fb2e881bb6d61b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}