Transaction not yet indexed

21py6cHifTAPQ14k2cPKq7LdWbWzHYwXbVe6ugZE2Wb5jeShhPvohTJiMLM2in9Ym4eTqeSuwvevP5jz5jkZbfuv

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