Transaction not yet indexed

Mu2xnCJBEv3VpyvJenpFGWqbSKagPHEDYyDAkAKCSGpjVCiYKq17i5HpjkNbSYh6uUGugSy7RqoVoeA1iKyRrVL

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