/data/archive/projects/{ID}/subjects/{ID | label}/experiments/{ID | label}/projects/{OTHER_PROJECT_ID}

HTTP CommandRequest & Response format
GET: REQ 
GET: RESP 
PUT: REQnone
?label=TEXT
?primary=true: This will move the primary project of the experiment to be the new project. (Which causes files on the file system to be moved.)
PUT: RESPhtml
json
xml
csv
POST: REQ 
POST: RESP 
DELETE: REQnone
DELETE: RESPhtml
json
xml
csv

$label.name