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": ""}
 90139 w|   tremuloides    1482847 A      8 L robert e. preston     <U ANTON A. REZNICEK  l,d4; MICHIGAN  populus tremuloides _VtI_  Michx.  7(sv      vU  malpighiales  7EW) Alpena  Ige 1990-10-25  Gl united states salicaceae ]  w side us 23, 0.45 mi n of scott rd.; 1.6 mi n of county line.  W)#*   _S In sun on high bank. 
{"catalogNumber": "1482847", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Populus tremuloides", "scientificNameAuthorship": "Michx.", "genus": "", "subgenus": "", "specificEpithet": "tremuloides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Robert E. Preston", "recordNumber": "90139", "verbatimEventDate": "1990-10-25", "habitat": "In sun on high bank.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Alpena", "municipality": "", "locality": "W side US 23, 0.45 mi N of Scott Rd.; 1.6 mi N of county line.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}