Transaction not yet indexed

Dd6wmZuYKRpxJrisVxi5YJwspmoP7f3VBTA7urDakyoQKy3wGfA3juHy9TMZ6X3fN3v77W4ww1CBqhE1eNrNatb

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