Cells config set ... '{"some":"json"}' is not deserialized

Set a configuration to some JSON:

cells config set pydio.grpc.auth dex '{"issuer":"","web":{"http":""}}'

Check

cells config versions --cat 100 | jq '.services["pydio.grpc.auth"]'

Expected

{
  "dsn": "default",
  "dex": {
    "issuer": "",
    "web": {
      "http": ""
    }
  }
}

Actual

{
  "dsn": "default",
  "dex": "{\"issuer\":\"\",\"web\":\"\"}",
}