Transaction not yet indexed

21NRT2vMnZhBo7d48cub2qPwjxsRXFztMyL1qRLLcMm6f5uX2DicnbgdaAYr3Q48CCmYsCUrpF2Kmf6XW3E5ZzCk

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