Transaction not yet indexed

Mpu9NGyPqdWZdfEnUJ88ocJbCgisZ1Ds4G77dPVNDVMWQd5hE88TGoGzzofHE9GnNJ44ogC8sXraTynFa9MgAhW

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