{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x5dd1489a8a49759000f5bc07b1704b97fe33c8257c0e6e45cf9a3b963c3cdad7",
    "signature": "0x08782747f8ebf5f915e4b6dc09b23662639e73ecbedb155cb69bfcdb414bc10f505d8a7f307c8c2c4ef1ab81c1c1fea435bea7f9c2055ccc81982c90b1f940971c",
    "signer": "0xc8b59C26109BC380ABC47eBad3DF1FB7d6aBf13C",
    "userId": "37821039"
  }
}