Jenkins project with performance signature

[rdevaki]

I am trying to integrate Jenkins with Dynatrace per https://github.com/jenkinsci/performance-signature...

and followed 

I have created the Step configuration by using pipeline syntax as per docs

The createDynatraceDeploymentEvent pipeline step creates a deployment event in Dynatrace. The set of rules defining Dynatrace entities to be associated with the event. You can specify tags to dynamically match Dynatrace entities or IDs of specific entities. 

here the script 

stage('createDynatraceDeploymentEvent') {
steps {
createDynatraceDeploymentEvent(entityIds: [[$class: 'Host', entityId: 'HOST-xxxxxx'], [$class: 'Host', entityId: 'HOST-xxxxxxxxxxx']], envId: 'Dynatrace B2C S2 Environment', tagMatchRules: [[meTypes: [[meType: 'HOST']], tags: [[context: 'CONTEXTLESS', key: '', value: 'frontend']]]])
}
}

stage('recordDynatraceSession') {
steps {
recordDynatraceSession(entityIds: [[$class: 'Host', entityId: 'HOST-xxxxxxxx']], envId: 'Dynatrace B2C S2 Environment', testCase: 'loadtest')
}
}

Build is stuck and not moving to the second step, please advise