jason elixir
iex(1)> Jason.encode!(%{"age" => 44, "name" => "Steve Irwin", "nationality" => "Australian"})
"{"age":44,"name":"Steve Irwin","nationality":"Australian"}"
iex(2)> Jason.decode!(~s({"age":44,"name":"Steve Irwin","nationality":"Australian"}))
%{"age" => 44, "name" => "Steve Irwin", "nationality" => "Australian"}