{
  "manageEntity": {
    "action": "Update",
    "entityId": "1707056214",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_contents\":[{\"timestamp\":1786604978,\"track_id\":39903},{\"timestamp\":1786604978,\"track_id\":300564},{\"timestamp\":1786604978,\"track_id\":986754182}]}}",
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    "signature": "0xf6749950653080b5d6812144326e39986d553b2758825a6cc31ab5094d164ac509d9f068cd7400b3b6fbc9c9c22abad3bb34fc569faa83fef8f4e6718a781a711b",
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}