Transaction not yet indexed

MkT5V8tjqZndXVwqY5cqa14VgyBGJqEHrVHAKhxdyws7BTuFjQ2y7XWfdKJQWeXT6RwXPVXjrnrBit5mnXT2VQZ

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