Transaction not yet indexed

21A4PfAAZLRcZSfE4u7sSRgjkTNR3617a4KhuTMLLLDH1AFjKp1bc2WMkZsNLg8R7sHJ9mbFSpSPBAdBrUguZeE6

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