Transaction not yet indexed

RMb3GSJN3eGYEgiCEmdzzTxhUytn1G9kBFKiLJHmfFgzCagyKTow6QUaSwCqZAwYNh3wFv18JHdskvX5GPdfAAE

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