Transaction not yet indexed

3Mpu21RuQFBfM6bbKPKsx8hqTSQn8thgdUQ4Gzv9pSAjwvbaYDWDfvqgU8VTbWEY8rxabKFTTwvWoBcynBidNiAC

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