{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37325",
    "entityType": "User",
    "nonce": "0x018ecc3f4bef33fd773290e9a3d5b316210a998093fe6d35e9c6d63c78367178",
    "signature": "0x0e09c6689777ec845c1b89bbbb65fc7fc4e80cb346a02538dd5091b338798cd3158e83883aaf2d7b284512d98e9ffbde22853f96121fbc789b10f96a08a4447f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}