{
  "oca_bundle": {
    "bundle": {
      "capture_base": {
        "attributes": {
          "Plot_ID": "Text",
          "Nitrogen_Weight": "Numeric",
          "Percent_Moisture": "Numeric",
          "Soil_pH": "Numeric"
        }
      },
      "overlays": {
        "meta": [
          {
            "name": "Soil Core Analysis Schema",
            "description": "Standard schema for capturing soil nitrogen, moisture, and pH levels across experimental plots."
          }
        ],
        "conformance": {
          "attribute_conformance": {
            "Plot_ID": "M",
            "Nitrogen_Weight": "M",
            "Percent_Moisture": "M",
            "Soil_pH": "O"
          }
        },
        "format": {
          "attribute_formats": {
            "Plot_ID": "^PLOT-\\d{3,5}$"
          }
        },
        "unit": {
          "attribute_unit": {
            "Nitrogen_Weight": "g",
            "Percent_Moisture": "%",
            "Soil_pH": "pH"
          }
        }
      }
    }
  }
}