Phoenix is a lightning wallet. You paid a sub swap fee and due to the size, it was very expensive. That's my guess.
Discussion
It should have been a splice out, which ostensibly only costs mining fees. At any rate, nostr:nprofile1qqs2nsd66pv44e5avmytw4ejy7k7fn8fq7rczrnaexcy8v2y484xjcspz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsz9rhwden5te0wfjkcctev93xcefwdaexwtcpzdmhxue69uhhqatjwpkx2urpvuhx2ue067m7ra is doing a poor job of showing the submarine swap if that's what it is.
