Transaction not yet indexed

iuSM4qRi52kHotH4P1jgyxPBsgzFwoZBxedj2hbjKmb5424ri89Knqu6qVayh85xy7L8S5Ys3RDzyW8MWJAX6Q2

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