Transaction not yet indexed

21SLm8K49nNP7AqgAUsRvnAMgewY5ZuauiUGoZAzXRi9kf5ZaBLfW2kv9KoopzboBHrwN9uqU5UmexSn6FEF5ST4

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