{
  "manageEntity": {
    "action": "Create",
    "entityId": "1113571595",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1113571595,\"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": "0x07ff15020a654e773d75c7d79275efd5a613d5d348a8e26ab674556ac22966cc",
    "signature": "0xe75a347f4e22b193213c4edd4499fc8a37c9bed44205a5ac839a80d5c08fe9fb7c72e2f57835c63928a48352df72d989436a3585a8e27d194d76a1e6f3fe55671b",
    "signer": "0x388b3332633Bf93Fc47Fdb9Ac4CfA5C92720D2Ec",
    "userId": "506044914"
  }
}