Transaction not yet indexed

1Mt4AumJM4WBpDLMeBvnBZb8pzrwKT7SgdGbGetmkWQL6b7wEd6kjtqeRWQvK2G6KhFbj8yFEbaQ19EXkJvGfQ

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