### add measurement for all
POST {{hostname}}/client-00000000-0000-7000-0001-000000000001
Content-Type: application/json

{
  "tags": {
    "device": "00000000-0000-7000-0002-000000000001",
    "node": "00000000-0000-7000-0003-000000000001"
  },
  "fields": {
    "button0": 1,
    "button1": 0,
    "button2": 1
  }
}

### add measurement for one
POST {{hostname}}/client-00000000-0000-7000-0001-000000000001
Content-Type: application/json

{
  "tags": {
    "device": "00000000-0000-7000-0002-000000000001",
    "node": "00000000-0000-7000-0003-000000000001"
  },
  "fields": {
    "button1": 0
  }
}

### add measurement
GET {{hostname}}/client-00000000-0000-7000-0001-000000000001/node-00000000-0000-7000-0003-000000000001