class SemanticLogger::Formatters::Loki

def stringify_hash(hash)
  result = {}
  hash.each do |key, value|
    string_key = key.to_s
    result[string_key] = case value
                         when Hash
                           JSON.generate(stringify_hash(value))
                         else
                           value.to_s
                         end
  end
  result
end