Transaction not yet indexed

21UNDSd5R7gYnJr4rfStxbSLXztFSofjhLhcWFDJYRQuFWqfzaYXEczrsr6zdyp5vQaYmFdDgotgL8CoHhRDT4yQ

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