nostr:npub1xnf02f60r9v0e5kty33a404dm79zr7z2eepyrk5gsq3m7pwvsz2sazlpr5 can clarify but make sure you receive via Lightning (i.e. create that invoice for 50K). Zeus will create the wrapped invoice which you can pay from a Phoenix for example. Sending on-chain will not open a channel at 50K.