Transaction not yet indexed

21SfwRsbuoepL8iYBjGL878a4tdTZWfJyBnUrnuTd4XqiytjfTdY12iwH2g6VPxgr8DqsBKmBf5bAThgwXQNt2fb

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