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": ""}
   V4y 91-0512-003  PANAMA  A  1001639 Q$H   R*u : nutans heliconiaceae ^)     W.J. Kress [j   7 km se of fortun dam, river bottom in second groth forest sje     pzXD b.m. oconnor woodson  3          Chiriqui 1991-05-12 *LLZ   a9 HELICONIA NUTANS  
{"catalogNumber": "1001639", "order": "", "family": "Heliconiaceae", "scientificName": "Heliconia nutans", "scientificNameAuthorship": "Woodson", "genus": "", "subgenus": "", "specificEpithet": "nutans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "W.J. Kress", "recordedBy": "B.M. OConnor", "recordNumber": "91-0512-003", "verbatimEventDate": "1991-05-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Panama", "stateProvince": "Chiriqui", "county": "", "municipality": "", "locality": "7 km SE of Fortuna Dam, river bottom in second growth forest", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}