{
  "manageEntity": {
    "action": "Create",
    "entityId": "264482111",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":264482111,\"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": "0x805a312fd595521d4bb3bb6e74b7e692238f377823fd180251acb464c6abe289",
    "signature": "0x8e39deff252ca10c7e864cc5bad87d2d1fe1f5498b837eed20d7bcda2d7a163e57dfb5864799f600c16ea02c52853804133064c277625d2d48840c51d9c9e2a21c",
    "signer": "0xe40c39BfF751e8FB62fdf2D5Daf335da9CE9bB7d",
    "userId": "223054868"
  }
}