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": ""}
 sRYy Wight & Arn. 1950-05-01 y^=   RUTACEAE g    25142 sK  goalpara P  1504749 OO         +QG2 MINUTUM    )Pq6 india MICROMELUM >>V$  MICROMELUM MINUTUM A      dQU3 w4lter n. koelz   
{"catalogNumber": "1504749", "order": "", "family": "Rutaceae", "scientificName": "Micromelum minutum", "scientificNameAuthorship": "Wight & Arn.", "genus": "Micromelum", "subgenus": "", "specificEpithet": "minutum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "25142", "verbatimEventDate": "1950-05-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "", "county": "Goalpara", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}