{
  "manageEntity": {
    "action": "Update",
    "entityId": "1385123949",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Concrete Groove\",\"is_private\":true,\"license\":\"\",\"release_date\":\"2026-03-29T18:25:08.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"playlist_contents\":[{\"timestamp\":1774808701,\"metadata_timestamp\":1774808701,\"track_id\":340384174},{\"timestamp\":1774808701,\"metadata_timestamp\":1774808701,\"track_id\":398882522},{\"timestamp\":1774808701,\"metadata_timestamp\":1774808701,\"track_id\":1304799889}],\"is_stream_gated\":false,\"stream_conditions\":null,\"is_scheduled_release\":false}}",
    "nonce": "0xa2d3bd21191e0f19c37c8ee11f008fecb0fdacf9c4be92695c5993e05abff5c4",
    "signature": "0x010715c63a65bf99975dffd7358684cadd0005b3c9411f4a0e0a74ed06cb62561750aeae7f5af499f2f7d771485d8630402d1f83bc645c4bfa5f33aa336815781c",
    "signer": "0x2F9864d7d33e6411cF49b5E7d1D73C2A5e0A289F",
    "userId": "549774400"
  }
}