Transaction not yet indexed

2aAM51bVpH2RSRCjKhr5HdgY51KG5wH5FhBEpij2k13MMWULRSY2i71kMoupwT8Be3M7qJYhgzVjC4eJziWtwkLi

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