{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828403040",
    "entityType": "User",
    "nonce": "0x72cdea1a9d9eca0624f186dac62c7474e7b3eeda5bf7b416805982b377ce8e24",
    "signature": "0xe19552f2a7c8fa27b6f3452d3b4691893a15ab0a5424829307bfa8b1ff04aeda6f590150398633df1b34b86d67cbfaceb7fbc657a43dcad549613712d5a53a7e1b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}