Transaction not yet indexed

Q78Twk3GHJdG39K3ALxjE7h88CaSfcVDB4qGYZ8mykvuh2wdTk6cmAHaNwCTq8bga4LsYmNeEoZNcYz7zh2yUPp

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