{
  "manageEntity": {
    "action": "Update",
    "entityId": "145339573",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"POP/ROCK\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedclfxbos2drd6niy3de64hnirltkg5duyzfjibee3orbmskqoo72\",\"release_date\":\"2026-05-17T16:21:57.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x868352917b3ff35e330ad429b1653c47448df9f7b889d9327ce672a6f53ceeb4",
    "signature": "0x64f8b11f2aefffae3f58ea50677599d2cad37cbc20b36f9a01ad828768b3bc06273d210572839d13a0576c882ddf238a2a5a8e8e2a1817edd207016b47f881cc1c",
    "signer": "0x12Dd122e04eDA14fA483f2F178ea67E04fd312B9",
    "userId": "388523895"
  }
}