Transaction not yet indexed

CU21dNzu91phAoVDfBEsPNrtRgLe52dLPSpTCawd2bvL9DSpuBSQKnFehBbKsyZsxbaAF8QnR8k4hPGDaEYKmjz

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