Transaction not yet indexed

mtubkTh3MBenE9bNnHAzMxD4yzcap2SZVjZKqeMTjz7oF8XvsnQDzr2mZjC3u2MbH6oiqjg5LUquQiYMz9J1jbU

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