{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1655515",
    "entityType": "User",
    "nonce": "0xbac8d740411f359c9c2a12d41e28703c8f00ff2c8f57bf8cabffc34ed6df2de9",
    "signature": "0xc15cdd3b2d4adf79bf10e1b823d61e4545efe5a1dad4b57ea44cfafe909b98f3316d4e9416f6c3160f1bc2fa6ec078e63658c61371632e9f91c2dcfe9c88bb2e1c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}