Why is my nostr:nprofile1qqsyv47lazt9h6ycp2fsw270khje5egjgsrdkrupjg27u796g7f5k0spzamhxue69uhhyetvv9ujuurjd9kkzmpwdejhgtcpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhszymhwden5te0wp6hyurvv4cxzeewv4ej7hjm7rj so slow? 🤔 It takes a minute to send a zap. I have 4 channels with plenty of funds. Still... Do I need to open more channels?