Transaction not yet indexed

MLRtoaagU937hKSiJxq7vvvEujnRzZBjbuE9P9p8hxwf3PMMLdHQQu4ux9rnrnFPcaJV3U4WWUtPUPZu1nNBT72

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