fix added

    Set Headers  {"Content-Type": "${CONTENT_TYPE_JSON}"}

    Run Keyword If    ${AUTH_USAGE} == 1    Set Headers    {"Authorization":"${AUTHORIZATION}"}

    ${template} =    Get File    jsons/VnfIndicatorValueChangeNotification.json

    ${body}=        Format String   ${template}    subscriptionId=${subscriptionId}    indicatorId=indicatorId    vnfInstanceId=${vnfInstanceId}   

    ${body}=        Format String   ${template}    subscriptionId=${subscriptionId}    indicatorId=${indicatorId}    vnfInstanceId=${vnfInstanceId}   

    Post    ${callbackResp}    ${body}

    ${outputResponse}=    Output    response

	Set Global Variable    ${response}    ${outputResponse}