Transaction not yet indexed

MkFfVTEDCUKcoKBhXXHTYJXGAEixdgJHbAz3QLf67fJo3kwMB5HJrik3jzXHbpAoGJHyaddcMJDLbTM8LXgyfoQ

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