[
  {
    "eccharts_layer": "mc_swh",
    "styles": [
      "sh_mc_swh_f0t20",
      "ct_mc_swh_f0t20_black",
      "ct_mc_swh_f0t20_blue"
    ],
    "match": [
      {
        "paramId": "140200",
        "shortName": "maxswh",
        "type": "cd"
      },
      {
        "long_name": "Maximum of significant wave height"
      }
    ]
  }
]