Transaction not yet indexed

MUB2bLuj1RmWJ3Tmu4i11GaY4AMqEuFCcxvyqYzTYv9neVrbz5XHJiG71g1LVakmeL8mSkLohRLtQTyGppZnjBo

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