[
  {
    "eccharts_layer": "wave_shts",
    "styles": [
      "sh_all_f0t20lst",
      "sh_blu_f0t20lst",
      "sh_blu_f0t20lst_light",
      "sh_blu_f0t20lst_warn",
      "sh_douglas_sea_scale",
      "ct_vio_i1_t1"
    ],
    "match": [
      {
        "paramId": "140237",
        "shortName": "shts"
      },
      {
        "long_name": "Significant height of total swell"
      }
    ]
  }
]