"application" : "application code",
"auth" : "Pushwoosh auth token",
"create_missing_tags" : false, // should automatically create missing tags
"devices" : [{ // array of devices
"hwid" : "device hwid", // device hwid (one of: "hwid", "pushtoken" or "userid")
"user_id" : "user ID", // (one of: "hwid", "pushtoken" or "userid")
"push_token" : "device push token", // (one of: "hwid", "pushtoken" or "userid")
"list_operator" : "set", // how to set list tags (could be: "set", "append", "remove")
"tag_name" : "tagvalue", // use correct value type
"tag_name2" : "tagvalue2"