Transaction not yet indexed

21RefvuJQxiyhfbmSh8dHujP39Bv9Ux1VuBeCH3dYmVvdvU41A5B8Wv6TrH6y84BmFdEAkNeppAMP6twFw8BUmmn

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