{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381478870",
    "entityType": "User",
    "nonce": "0x6dfcc0a52fb7f594c6dad85910a237ab4e7fbaed0808e3cad6820ee1db3249a3",
    "signature": "0x2f50574914e56be22eb84492a7c3c5beac5bb281bd55cc3ed798074616896181589856e32fb6d45092f459f1d846b83d0dad67f2ef89a5f409edf61bb97a8ed11b",
    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}