{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584186978",
    "entityType": "User",
    "nonce": "0x445a655430ab8dc8d0bd1ba141a9a72e080036664a97da992649464a96befae3",
    "signature": "0x2cf159b5e506c674ad87e7ecaf952e03f6e134dcaa41ea4b5b78e0f394670c1356f5506fd0607f5688bc9525d6016564f18d24d1736784a3be6e33835d888a9f1b",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}