Transaction not yet indexed

M3tffn1fDXTNJQsDheAjV2aUG3h91kR9T266nEmDuVeWrTsGwHb8dXG9tUrE6RCNw5BoxX9LnQeF3aHMvvtkoZ4

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