Transaction not yet indexed

MMgvqqS5ekyUb4LThfNgrfNsmpTfLPLhMYbFn5DqTsBKEi5xSQyqBusjsis7MfnzsUZhhsY15o3RHeB5N4xZ3d5

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