{
  "manageEntity": {
    "action": "Update",
    "entityId": "1969556680",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsecerici6eyt6kofavxvooktw3oy5zoe3obudcm3bvtimsme7bk5ws\",\"release_date\":\"2026-04-27T21:24:00.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1777325079,\"track_id\":1786928308}]}}",
    "nonce": "0xb1d9c5dc3c642284fd0803c70349d2c94a6f0fb16e14449a5f214fe09bd10265",
    "signature": "0xf705fce333ad3cfca7943f219025a4af061c996e8be20883355c17904b336f2b4bf43919b696d6ddc8f628d29f0acbbffd00a5835be86a16e8a7e077089fb6121c",
    "signer": "0xe1a52F892CdFA6BeF0b10F2c618F838f070B9cF2",
    "userId": "324614320"
  }
}