{
  "manageEntity": {
    "action": "Create",
    "entityId": "256040514",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":256040514,\"description\":\"\",\"playlist_name\":\"New album\",\"is_private\":true,\"is_album\":true,\"license\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"playlist_contents\":[],\"is_stream_gated\":false,\"stream_conditions\":null,\"is_scheduled_release\":false}}",
    "nonce": "0x87e69c4f9a5e32413af45e38e6e48166190f18ab10f6fcad6f39e8f5ab29a619",
    "signature": "0xfe6e319d4e1e4b32e533644a4be30d2384c9c23c4d02224e1d663e630f5d60e22b4b5fdfff8f14abd2a7599725991deb20b2b6bfede666bab7d8a89c05a6b1f91c",
    "signer": "0x3f609C772dBC213942aF1f563Dc3da5B6F6C9C0a",
    "userId": "573321843"
  }
}