Transaction not yet indexed

28MMFTfPGTsWiEHyDwAFXjvzAzkZAL57dNxYk3w6d3afXisD4HzNqu8LuUbwVRqSXYSdc7pvHwHAsDyVELpR8kpU

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