Transaction not yet indexed

MB7kFzK2FqNuAFwRsUsJA7K8onRBH89uZL3ZqGNnfdqDxNc7AgJcdmruFDqc2BK2CTuB5nye8XKGPcMWB3iD9w2

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