Transaction not yet indexed

DffFYRddA5ED8RrqQ3DTbxviMAHVAW8yaZ6nW4fmajJTntGNDN44mjbUfmxPE6cDXSqnYi2ptPuXy9cShWYtkx2

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