Transaction not yet indexed

MKt9zih2EvZv1WBstxBE11Q9Yx8Qu7MFEXUSErQLSmdfd8S9NLoudVfbtgWhZkvB5W2gVjvHMLw8ZRRjwWnbjFv

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