Transaction not yet indexed

21DGm9Usqh7qmVCCxcbdHVCNkdW4iVxVkxPFc4xVafJiSNGqfMmVaTi8PtQH2oR7GyBRXFM7cfCNUMmeEZXpwoE4

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