{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x8e3f1a52e661cef4d77692b12efaafb4552f0e353bdbec876bee50aa47b6db8d",
    "signature": "0xed0a1bd2f8ef0e35af564e6da2fe0a1e102620dddca925b25dc18c9ca64af1ee7302a3bad3c948564ceac41cab5665b064147907e5f50cedb7ffd90ce871ce1d1b",
    "signer": "0x5E9e335B926f13fCfB757dd03233B4f682DDb6d8",
    "userId": "499867732"
  }
}