"Mappings" : {
     "RegionAMIs" : {
     "eu-central-1" : { "AMI" : "ami-01e444924a2233b07" },
     "eu-west-1" : { "AMI" : "ami-02df9ea15c1778c9c" },
     "eu-west-3" : { "AMI" : "ami-087855b6c8b59a9e4" }
     } }
