Transaction not yet indexed

MbGngRnBQSLgewf37umfhSdiDL2fkv9fdA6ahaDykrtkiU4fjQ36DKPtZFLRjNw2AZGSaXUd4nWRzdNa6wXGJq8

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