Transaction not yet indexed

21sipz2vxmKNM4PUwmRLDdjo6orGjgWGZb76JDzDmyRQQFmxvmKnSEutQGAP8G4DL1f3AAaUnmoArNjCMUSQB2st

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