Transaction not yet indexed

1mST4HG9CBUHBynaPr9SmEhXxD1H9G2UjTceV5VqJr4v69uuZHp9GiGppnJBCeMcBeJTC7TVZCnDHHki7xMqJoU

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