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": ""}
1954-04-15  4M  Steud. h     K~_ carex dimorpholepis   7536 C a     9, 1676  _C68 dimorpholepis 1488921 0 b<E  MEADOW STREAM EDGE DK   qJUCn Poales  Rj Meghalaya  v cyperaceae  84 LG carex  h  shillong  Thakur Rup Chand  De     India 71    EAST KHASI HILLS   
{"catalogNumber": "1488921", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex dimorpholepis", "scientificNameAuthorship": "Steud.", "genus": "Carex", "subgenus": "", "specificEpithet": "dimorpholepis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "7536", "verbatimEventDate": "1954-04-15", "habitat": "Meadow stream edge", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Shillong", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1676", "maximumElevationInMeters": ""}