{
  "manageEntity": {
    "action": "Create",
    "entityId": "447682511",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":447682511,\"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": "0xc0612ca48821dbda8d2cc65177be3c1cf9ad27cd9bbaf0c8f8f0ddbc73c350f5",
    "signature": "0x36e4a0101fd25dd17f101837f69e531e26d49b3c134a7f40bff4b16c487568b86fc2f368326ae31e68398e7f8579a99df2f3f06e0ae9ec5b7b1d46300e389c991b",
    "signer": "0xD76961dc6890cF5F569eF04a2385c6A55b9b6a3B",
    "userId": "746653634"
  }
}