Problem with encoding Geo.Point

Questions & Help Questions
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1

Hello, I have a record structure that contains Geo.Point coordinates field(geo_postgis).
Thats I receive from db when I’m using serializer.

%{
    coordinates: %Geo.Point{
      coordinates: {48.51572187715065, 48.51572187715065},
      properties: %{},
      srid: 4326
    },
    id: 10,
    name: "default name"
  }

When I’m try to send them to my client through websocket, I got error that says

** (Poison.EncodeError) unable to encode value: {48.442894571035936, 48.442894571035936}

My serializer

defmodule ScenesSerializer do

  use Remodel

  attributes [:name, :id, :coordinates]
end