Transaction not yet indexed

Xn45smMob91tBDLt2RBhfe7wBFbBgZ2bGDaor1NoDGV4Kd3LijUoSzMddnK8PPUfooTuVK2puGzLjCTM7aDYgbR

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