{
  "manageEntity": {
    "action": "Create",
    "entityId": "1245868064",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1245868064,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x99651e92cba451db32cbd5b026fd92e61c962c122865962f2470afeb702f7df9",
    "signature": "0x688789d0e7a10f29c725157a9adee010b1f7014f8c25cbc6ecfa67e68fb24dca66d235c503e67185cc255a3e14745e1b532835c38d58b5ed6851890e384d77631c",
    "signer": "0xe30d9EF18ACc16728b76ba5E86177099D81D186a",
    "userId": "107533033"
  }
}