Transaction not yet indexed

5Sf6MLFWN13is9nMsWWz2JGzeJyCqcso67uadwQC8kbmp5DUq3pF1GHaLdWSWiPSqscQ7hpZUqjsMYZS6owQf1bt

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