Transaction not yet indexed

MEfHrtfPAFqjMJbqPbvXiQSm9QPHXJiXVT5MbTYnnrEzDva8FTvxHJ1ssYGMcmmNghdUsYRHc7v3vz3Z3a6MoTP

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