{
  "manageEntity": {
    "action": "Create",
    "entityId": "562981009",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":562981009,\"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": "0xb73cb74fe5a1786149e9c077078a9637ffec2a43d6acac0f1277c19d82d692af",
    "signature": "0x98a2b4f81c6c3d5cfd0a15dd4a1ac572f137ea7af42ffc3a433c1230a7d37a2a5cf3b5ee56be81163b2de0803809021d3469edeb24cde3e80bb380ab68a5f92c1c",
    "signer": "0x9a9D8658eB66a22B3C536280FF4375B0a531693b",
    "userId": "375752"
  }
}