{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x3c0b9d6b09b82c3e896f58b1466986eeb8bcc72a47b9a42514a661b1d0d2541e",
    "signature": "0xbba6670a313e5ac06af858217afc7041f87afb31ed02422302193ecd54c03f573c960bbf80e780532adfcef3dc60f32f1d2d4a9ab8e4d5ebe766dee6aac4e7221c",
    "signer": "0xac9398fE3324BB093c993C791Db4a36624f5a248",
    "userId": "223946715"
  }
}