Transaction not yet indexed

661cMXdeaDipPT4fGqhaeNvJQopcqcEuVCdKKKbcy4BCMyTPJRd8tszDZH8eNHgBi9ZmfdLXWhinoBDBh2bGz1y4

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