{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "304014",
    "entityType": "User",
    "nonce": "0xf3e3a9483dcb635046542c74a35bed6440571ec324cbc9b50cc591cc7c3889cc",
    "signature": "0x5157e17d39da6dae60bac860a9a7862f13abbcac43f5866b1bf5b36394e4602c3d0815ab6fd211fa30ba7fdc5789de384ea9284f46a89b5c268c196fcb6161621c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}