get '/user_agreements/signatures' => 'user_agreements#signatures'
post '/user_agreements/sign' => 'user_agreements#sign'
get '/collections/:uuid/provenance' => 'collections#provenance'
get '/user_agreements/signatures' => 'user_agreements#signatures'
post '/user_agreements/sign' => 'user_agreements#sign'
get '/collections/:uuid/provenance' => 'collections#provenance'