{
  "manageEntity": {
    "action": "Update",
    "entityId": "183804259",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_contents\":[{\"timestamp\":1792351739,\"track_id\":42080},{\"timestamp\":1792351739,\"track_id\":39886},{\"timestamp\":1792351739,\"track_id\":1338594735},{\"timestamp\":1792351739,\"track_id\":42082},{\"timestamp\":1792351739,\"track_id\":219363},{\"timestamp\":1792351739,\"track_id\":42100}]}}",
    "nonce": "1792351739115181162",
    "signature": "0x7bee97f3d6a0f73af3374919866e8d3b8a1ed0020d101e633833b9cfe4c909227f729929c171dac03bb443b0a8167b1b809bf0f89337181c8c9c3ce091b2a43e1c",
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}