Example from Q31 (first excerpt from the 20190617 dump, second excerpt from the 20190701):
"qualifiers":{"P585":[{"snaktype":"value","property":"P585","hash":"489481dca5f5660d9fe15875b4dc94a57389e4bd","datavalue":{"value":{"time":" 2014-01-01T00:00:00Z","timezone":0,"before":0,"after":0,"precision":11,"calendarmodel":"http:\/\/www.wikidata.org\/entity\/Q1985727"},"type":"time"},"datatype":"time"}]}
"qualifiers":{"P585":[{"snaktype":"value","property":"P585","datavalue":{"value":{"time":" 2014-01-01T00:00:00Z","timezone":0,"before":0,"after":0,"precision":11,"calendarmodel":"http:\/\/www.wikidata.org\/entity\/Q1985727"},"type":"time"},"datatype":"time"}]}