Transaction not yet indexed

XkkfMCPEJvHGLByE8AqoX1ttNMs2aJactLLTQJkHEDvfPoFgU5CXnmdfmH5GTCcc2URtNN2stjjFC6sQsGTJRge

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