{
  "manageEntity": {
    "action": "Update",
    "entityId": "760280739",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xca79e0021da5c64df80f0a51f59b278ec7565263278be1dd3b3ae9f2574a442e",
    "signature": "0x1ce01f72b0f3821f867a1b8138f2f5df02fa5d74ee8039afedc838cea6c5342827db49cae1b14399f4069caa1013a380f890461c40d1c1d9ed2834aa9dde2f1a1c",
    "signer": "0x08D9b968677f63b0c3F7F0A74b2dcf0B8b0fd093",
    "userId": "760280739"
  }
}