Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
  B 6025   (tK  COSTA RICA 1986-03-29   w+     Juncaceae EI-gk   +,vA& POALES  Contact UM Herbarium k| U  KUN7H         hVHn microcephalus        0K 1142525   Michael J. Oldham |_   
{"catalogNumber": "1142525", "order": "Poales", "family": "Juncaceae", "scientificName": "", "scientificNameAuthorship": "Kunth", "genus": "", "subgenus": "", "specificEpithet": "microcephalus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "6025", "verbatimEventDate": "1986-03-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Costa Rica", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}