{
  "manageEntity": {
    "action": "Update",
    "entityId": "112841820",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"placeholder\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsebfhxnm6soae2ezppg6h42zn7tz73tj7w4vhvyi7te4cbuq3rejno\",\"release_date\":\"2026-06-04T00:04:08.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1780531439,\"metadata_timestamp\":1780531439,\"track_id\":2143752914}]}}",
    "nonce": "0x84c9ced93b7e0a988fabbb12ad9f1e75c9899ea13d51cf4b04dc38ffc4922862",
    "signature": "0x1f3979201081f2c6ddf78644f2a1c964ee523a8612df78147ad3b600cdd25a5418d2cc7072cde327b89393a55419d9e6147e88b11355c34a4e8c1a691d6f11d31b",
    "signer": "0x47bF11DdE03594c25814c08592866D0B09eb566A",
    "userId": "597397433"
  }
}