Message message =newMessage.Builder(regId).collapseKey("game4_scores")// The key for game 4..ttl(600)// Time in seconds to keep message queued if device offline..delayWhileIdle(true)// Wait for device to become active before sending..addPayload("key1","value1").addPayload("key2","value2").build();
TTL값을 늘려보세요.