mqtt:
  sensor:
    - name: "Bitcoin"
      state_topic: "homeassistant/XXX" 
      value_template: "{{ value_json.bitcoin.pln }}"
      json_attributes_topic: "homeassistant/XXX"
      json_attributes_template: "{{ value_json.bitcoin | tojson }}"
    - name: "Chia"
      state_topic: "homeassistant/XXX"
      value_template: "{{ value_json.chia.pln }}"
      json_attributes_topic: "homeassistant/XXX"
      json_attributes_template: "{{ value_json.chia | tojson }}"