{
  "manageEntity": {
    "action": "Create",
    "entityId": "1236701520",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1236701520,\"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": "0xf68f938806be85eeaef72cdf8db94dfd819ca4973698c016ce713d5098e37a94",
    "signature": "0x542dcc5cd709b271d4538001d2c03e6ffe90226758772f3e9b81309c2158e2392eeca8c117c7bc4e82c53994ff64a827524e5d69e35cf1279855da4071496a711b",
    "signer": "0x6D71d375931206b223F2c8Ea84226C112833e6C9",
    "userId": "492143128"
  }
}