Transaction not yet indexed

1mfExo9JSYizKUvERTaBcBP3VGc2UNKAQhiDmFagpeQBXLiUC9NkxwhpDEQhPFPr8e7nKxi2tzPwHiJpmUuLVGa

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