Transaction not yet indexed

519uiRfSEAruKENmV6wrAwigqhpyjk46PmK8sWJ3bQQde1gcBqg2RLn4dvhE3aBSdeLsL3fTpz1iEs9b6w65BkY9

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