Transaction not yet indexed

TMmmmFebdGaDsGkJTwBvNEMWQwj9GQacFFK9K24t5Xwduc1hxJp6vAw67KrGo2JR4kL9CjKWv9e3y1Q36EqynM8

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