{
  "manageEntity": {
    "action": "Update",
    "entityId": "169228549",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"EDI DJ PLAYLIST\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"baeaaaiqseccyemmgconkuppyujrfq5uxssf4tzi3i47b52oynisfvcnk7tfra\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":1775091137,\"metadata_timestamp\":1775091100,\"track_id\":1317111864}]}}",
    "nonce": "0x4309b7cb50e593258423dc9b446182a3780e451f17aee818da01ea6b5e8cfd84",
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    "signer": "0x66897996b38D5FBFfa383eD077e429C63B8AD506",
    "userId": "904230991"
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}