Transaction not yet indexed

mb6qSRYNdjMYfJm4Xkh5Kvmr1uSEf1iTK1rZjraeSoZZ352WXGsvAq9NbQ1KHddKDrCip5htqQ1SM9EzJEtriCF

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