{
  "apiVersion": "0.1.0",
  "specVersion": "0.5.0",
  "variable": {
    "id": "biomarkers",
    "name": "Biomarkers",
    "path": "~~~Biomarkers",
    "level": "L3",
    "type": "metric",
    "required": false,
    "privacy": "private",
    "sourceProtocol": "wellbecoming",
    "description": "Biomarker signal set.",
    "kind": "facet",
    "protocolId": "wellbecoming",
    "protocolPath": "~WellbecomingProtocol",
    "nodeId": "physiology",
    "nodePath": "~~Physiology"
  }
}