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": ""}
Contact UM Herbarium Y  rift valley O;DYT   S4 DIGITARIA mERIANTA 1929-09-21 vdmKv   Digitaria T Ta[  Steud. T   5101 R W[      w`  1705752 a. s. hitchcock (X 5   1J 1r POACEAE    4A fB ROCKY HILL   T3 NAKURU POALES >u8f   ERIANTHA B/Q     Kenya I% 
{"catalogNumber": "1705752", "order": "Poales", "family": "Poaceae", "scientificName": "Digitaria eriantha", "scientificNameAuthorship": "Steud.", "genus": "Digitaria", "subgenus": "", "specificEpithet": "eriantha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. S. Hitchcock", "recordNumber": "25101", "verbatimEventDate": "1929-09-21", "habitat": "Rocky hill", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Kenya", "stateProvince": "Rift Valley", "county": "Nakuru", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}