{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310796",
    "entityType": "User",
    "nonce": "0xefbd2bd0c9a2175f70527d126d5db2a8e1c35b49dfbf5f4733a423b55233155a",
    "signature": "0xcb10276d31d6ffb7f40cc6da8c0ce92f0bf19c21cd04e9d800cc482399ab212447b1d261f8410dece06d895bcdb91172b9e654db2c3b29e18b4f954d37a664fa1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}