Is this nostr:nprofile1qqstxaawa0e4actlqkq02q8xdar2wx5lxyfjugjpxcdyf6skyxj44xgppemhxue69uhkummn9ekx7mp0qydhwumn8ghj7mn0wd68ytn0wfskuem9wp5kcmpwv3jhvtcpp4mhxue69uhkyunz9e5k7tcl26qv5's cat?