{
  "manageEntity": {
    "action": "Create",
    "entityId": "1776260386",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1776260386,\"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": "0x8466382038b40302ad08094ab07e81734fc74558f87d27b8badbeb716be2a311",
    "signature": "0x566639e204587b2057661176009059fd7dc3702fa2a9702e501feb76b2beff281196627019a785ec02f4e0fb3f54ec0149f776d0b3df93a563243828aec3c38f1c",
    "signer": "0xE097fd9DF5E86605D708F72FD6D15b6C81BD1d75",
    "userId": "546230291"
  }
}