{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "560564576",
    "entityType": "User",
    "nonce": "0xb7c7ccc5ec2c5d7b84c91d0963232dd755073bf01b22f1f10363941ae3da7c33",
    "signature": "0x1210f2d6807d7caa69c371771fa85313bf44eaea383a49fe13a2927ac1a570165a26e42cf03c8b5be2a060895978e7efefaf0be8c808414a501b4dfd6abccb871c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}