a single frame for web request for
'com.squareup.retrofit2:retrofit:2.9.0'
'com.squareup.retrofit2:converter-gson:2.9.0'
'com.squareup.okhttp3:okhttp:4.7.2'
'com.squareup.okhttp3:logging-interceptor:4.7.2'
'io.reactivex:rxjava:1.3.8'
'io.reactivex:rxandroid:1.2.1'
'com.squareup.retrofit2:adapter-rxjava:2.9.0'