Transaction not yet indexed

5Ku521u9LDSAm3z4TVtvqfmDgDZJ6tiNNWnsp4M7vbzr3Do5bdVHgVBHh8m44RPimCy2n5grAsMyeQV6mjAe86Sh

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