Transaction not yet indexed

5ff16DW6ftzJVRJUMRuQBF8CKKY2WZdWETaTwjPQJSnamdbBLytJDxu7P3XcE1WGdah2HuxqbNNThmSdX9bp12xz

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