{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "256479919",
    "entityType": "User",
    "nonce": "0x9c0f1fad80a8382b801cbbfd4124e6feaed60bd91c47114b58637d65908cedc6",
    "signature": "0x5ada778e1938203b03b3fd6677326ef594009c4d581e9f22a8f3954a333b1e9258fed74f5dd4c1bcb6ef54b2deb5422045adca87e694768a7d19e547d7848dda1c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}