mqtt troubleshoot

Output as shown in mqtt-explorer with data/bms/gauge:

{"meter": "bms", "volts": 26.54, "amps": -2.57, "watts": -68.20779999999999, "remain": 76.92, "capacity": 80.0, "cycles": 0}

{
  "meter": "bms",
  "cell1": 3348,
  "cell2": 3351
}

subscribe data from HA UI:

Message 14 received on data/bms/gauge at 8:21 PM:
{
    "meter": "bms",
    "cell1": 3318,
    "cell2": 3318
}

mqtt.yaml:
  - name: "battCell1"
    state_topic: "data/bms/gauge"
    value_template: "{{ value_json.cell1 }}"
    unit_of_measurement: "Volts"
    unique_id: "energy.cell1"

  - name: "packVolt"
    state_topic: "data/bms/gauge"
    value_template: "{{ value_json.volts }}"
    unit_of_measurement: "V"
    unique_id: "energy.packVolt"