Transaction not yet indexed

21f5AArQRqjJdhjVjPAtv9MmG91cvNwKWp4GcfPUcYVaWWYN2bb4bNtpPC8SP6eu2gMGadVosEm8oqHUjA6iTjU4

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