Transaction not yet indexed

QQb878ZsdfLbQ785Zmo4NGHEzqcPyUbwHM1c3yU3X1nv7Q4GZCadbWwm14J1Bw6qPpBT5L5iynDV5SAAVcUXLaW

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