Transaction not yet indexed

421WMhES7vpexB1ZU2ZGoCaHAFHRTV8pX47RVXQLJRLaXGiJnTb7VD5QBmvsoFYEmShWWrKfH4jgG24SmoZ6WHR1

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