Transaction not yet indexed

421ykvbzaAG1NCQTN4rrKGAStZCgpf2MMHXEzib2o1n54xZAzmxiFxojZXokFKv28jK7UopcyW1uMfkLQxSpCk2s

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.