{
  "manageEntity": {
    "action": "Update",
    "entityId": "500799597",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Vintage\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqsed7d3npkdz6cj6mpbui3ij242dbyn7xebk4gon6337eqbl2n2zusw\",\"release_date\":\"2023-12-07T20:58:19.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1701982699,\"metadata_timestamp\":1701982687,\"track_id\":1897144672}]}}",
    "nonce": "0x2f7d50dd26eeb356600b6f5a200423818759e20a546e72ea370ccbd688320f04",
    "signature": "0x03de8fb70ac4f49ffbc3cafdf18cf52a057c0171fe6af9fefe01531792be6d785f4f532547251a43ef207244fb8c9a83146f59c36d12f21a50125e10fd1316c01b",
    "signer": "0xEB69eF724F496f166f22363278C57fD1C454d2cA",
    "userId": "352613"
  }
}