Just use #Nostr
nostr:nevent1qqsynf2fteyydvk4anz2rqkftg459xznsmwxgssejl53n4jhumlfxmgpp4mhxue69uhkummn9ekx7mqzyqzvj9w6alhrsvtl5u6ygjkwuwg2sf5lukqskgjpuhnd6dpal0kvjqcyqqqqqqgwjal09