Transaction not yet indexed

MAmC2PFZkh8MwY2fZLcZoLFaPcZZkrhvE8jsWfUHH89fb9tSvJER9Hq5GgbYq6gcpuAWEoFN45k98pgSYRHT6Jk

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