Transaction not yet indexed

28DEm5nboLX4oud8F87Tr16ntq4xvJLLAz16E8ZdNeJTByKqHjoiEC2WaqPtgEAHKgoVrtL1gR8gLYKvWNT88MMZ

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