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": ""}
UNITED STATES 4S   6GYGK 634  TK  "TREE Â± M TALL. STIGMAS GREEN."  np, hillsdaule  bk  nira 41.774121 u    4 -84.81578  sl Fagales 134213 F     4@W  Juglans JUGLANDACEAE FD  MICHIGAN p:  1988-06-12 u0,   FREQUENT ALONG RAILROAD TRACKS. |Z[   vR N. SIDE OF TRACKS, ABOUT 30 KM SW OF HILLSDALE.  l. rXq   Peter W. Fritsch s  juglans nigra @     
{"catalogNumber": "1349213", "order": "Fagales", "family": "Juglandaceae", "scientificName": "Juglans nigra", "scientificNameAuthorship": "L.", "genus": "Juglans", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Peter W. Fritsch", "recordNumber": "634", "verbatimEventDate": "1988-06-12", "habitat": "Frequent along railroad tracks.", "occurrenceRemarks": "\"Tree \u00c2\u00b1 m tall. Stigmas green.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Hillsdale", "municipality": "", "locality": "N. side of tracks, about 30 km SW of Hillsdale.", "decimalLatitude": "41.774121", "decimalLongitude": "-84.81578", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}