{
  "manageEntity": {
    "action": "Update",
    "entityId": "579008501",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"RAP\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedclfxbos2drd6niy3de64hnirltkg5duyzfjibee3orbmskqoo72\",\"release_date\":\"2026-05-17T16:24:55.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1779035467,\"track_id\":1965212454}]}}",
    "nonce": "0x5db8e0b201cc33b35c986beddf4c81eeac6b1cd486924e8f99542f474555821f",
    "signature": "0x020c02e518adb121fcb720afc8b678805b477010ece90dca3f660fd07962e7a34d4125f2129e0e9764f3c26575689048b07590d775128cfafdc06af60709efe61c",
    "signer": "0x12Dd122e04eDA14fA483f2F178ea67E04fd312B9",
    "userId": "388523895"
  }
}