{
  "manageEntity": {
    "action": "Create",
    "entityId": "1208630609",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1208630609,\"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": "0xaeb5b1b76887354d593bf626de4cfe1d6550a200b010ecba65cf4f4f218c4029",
    "signature": "0x10ebeff8084da8e79660029ca6be1586e7a398bfe0c6c20ba2593c9a97e5ad896ad4dce6e4de28b497e874b3a71ec529942443e53f54e9717e1d3bc58cf7b6f31c",
    "signer": "0xB5C8968047972b6140016039920295e56d745274",
    "userId": "943903896"
  }
}