Transaction not yet indexed

66Ctu9Kupd3Nx18FAxUpeRoMLKjyJXBA52hfFd8HCjBcK4WrkUfVrJSZMFuZpxoXkckhLqUwBsyuHyUPxk4DS7G6

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