{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1f622e563bf779f62e47a6003b498742807bf98310e157c1403f56d9c6681a27",
    "signature": "0x2c153ab3f04ba2c34815229ea7e125bf35d4e54e5348fdfb121cfb9f78265b383c924cd6fdf4dd36f77ad282c7c3957c1e06e8d169225b7d6c1a54fd0b5016211b",
    "signer": "0x0bF980DD3287c61Ce4f6828035973BA1F745C49D",
    "userId": "858352132"
  }
}