Transaction not yet indexed

Dffga3aB5caAfFN9n487oj6ssdXHVN5VJCseAaZ31Y7xQcWSmgCMkBvgN4ht4at4AXwjmVWvUpa5TF13YCj9Rd5

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