6fd4b9b8b0
`get_tags` route response was adding the `tags` property twice, which is
not the expected behaviour. This is an example of the previous
serialization of the `get_tags` route:
`{"tags":{"tags":{"u.example":{"order":0.55},"u.another":{"order":0.11}}}}`
The new serialization removes the outer `tags` property.