Transaction not yet indexed

MrmDnZMQf3C2uNZ6L8CqFuqrqfdUpWkS9p5ex6vw1goUfpsuf2K6e72HyeWp9PTuhzsbTEhYKpQTr5S1cXdC4Ep

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