{
  "manageEntity": {
    "action": "Update",
    "entityId": "241276640",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb4d9c80be5a4235a1317dde5c8eb2d1ef134940e4e8113f9fa1f48657a85a95b",
    "signature": "0xdcb900db3647a9f0586bb64df384503e6b1ea0bd9686f23f045294f494d83f231398be9b80de4a7b355d1e8c5d6951f42776be5557d9f0881134a403f4a0242c1b",
    "signer": "0xFd6Fb83Fb0f0447cB17dF9Ab702BF8A5b7F484BA",
    "userId": "241276640"
  }
}