Transaction not yet indexed

21SBRFULgUkpFY9BgxgV8aYuzYyY1MFZ3NLEZ8mXrocmjiySBBbviqAaAVeRSMU4bqye9at5VFrqQcqBTUPmgsf5

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