Transaction not yet indexed

21K6TLJhKcoLRmaAdCyePr3tCgVUb62rSSVEfuhL8jH4Yro66h4hQrbAF9cwNGFpbHsMk5CoLUkSeyPLgMXx7FVY

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