How to change a user's password with REST2?

hi
How to change a user’s password with REST2?

this is worked:

Invoke-RestMethod -UseBasicParsing -Method PUT -ContentType ‘application/json;charset=utf-8’ -Uri ‘https://rt/REST/2.0/user/rttest’ -Headers @{Authorization = ‘token XXX’} -Body ‘{“City”:“test-city”}’

this is NOT worked:

Invoke-RestMethod -UseBasicParsing -Method PUT -ContentType ‘application/json;charset=utf-8’ -Uri ‘https://rt/REST/2.0/user/rttest’ -Headers @{Authorization = ‘token XXX’} -Body ‘{“Password”:“OxqB9027BjtN6456”}’