Do you get this:
{“error”:{“grpc_code”:7,“http_code”:403,“message”:“error:pkg/auth/rights:no_application_rights (no rights for application
rascalmkrwan1300@ttn)”,“http_status”:“Forbidden”,“details”:[{“@type”:“type.googleapis.com/ttn.lorawan.v3.ErrorDetails",“namespace”:“pkg/auth/rights”,“name”:“no_application_rights”,“message_format”:"no rights for application{uid}”,“attributes”:{“uid”:“rascalmkrwan1300@ttn”},“correlation_id”:“166836389d9e42268c3d14a888fc1067”,“code”:7}]}}