Transaction not yet indexed

AmN6PFMAxRt6aVSdMRmigVSTsMMdbr7Vt5zdKzraM53TiFr3V5fNyZo3Yca1wUbAXP1QqSW3YUwABqx3K6oPbZK

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