Transaction not yet indexed

2mamp9ySyCdMpZrVRDe1Y6r3awHRCMs4kQe5DGVr69YdN6Tf2ApQkZ2nUb4ebZQgMURcd3mdn2S4rpz43p6ZMHDF

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