{
  "manageEntity": {
    "action": "Update",
    "entityId": "794772148",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb9a2e83ec10c92abe50985a063bbccd62ea3445b19683fa1b165f05d28263ab5",
    "signature": "0x6fb62ce56cd250e209b27976fcc49a324620093fa906c2bee3b7aadd86eeca3f74f2d013dcfee25568c98ee92443a553e18ab11f1879281a8d29b315297735881c",
    "signer": "0x42e7F6b603545306Dfd5DFF7F13584f8bB863bf1",
    "userId": "794772148"
  }
}