Transaction not yet indexed

21EXgbL3ZAUq5SiPmtBDP2oxELBhmQnB2adUvvwTUMz7o9KkWeEWxw4pUp5RKDv4aWafbVCo2wjccLCS8kLgPSix

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