Transaction not yet indexed

DEf4ffQdBJawhVq4vpyj2WgPLsHyzTTk8wrWmtgYWUCSF7Eu7uEJRHePzm3jrcdXcoX2jPZ6YPeqzJXq1FUGCy8

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