Transaction not yet indexed

MQN1YDSN9Z5cf2q2ijcFWe8g76iQJYnjPcPn3cuFrMksZNrxBq8PSWXHWK9Y8sE2d63QKHTMP5uzPV57nHf6y4C

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