[
  {
    "eccharts_layer": "msl_spread",
    "prefered_units": "hPa",
    "styles": [
      "sh_blu_f02t50",
      "sh_range_f02t50"
    ],
    "match": [
      {
        "paramId": "151",
        "shortName": "msl",
        "type": "es"
      }
    ]
  }
]
