Transaction not yet indexed

mb6cnMC1afaLBENdJQPA4YZLiYc3EbhpCNsuBhLryPtef9dph2aPTmbff2it8hqYGnivVbMSExpMY1hWgN7uqZa

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