Transaction not yet indexed

MSt56JhuHrvE4EEs38NTKk1YLkTLLLKJjb4b6uvsZw6kKLj2Z7gwMiMma7ZsYvit3N29Cg2eQNr7sGYZtPtwW4f

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