Transaction not yet indexed

321ZC5skTZJt5LxrFJqErLVumpX5oJoJHY28B88Uckerzks3AKvGwJZbPEjcNq3hEfd98DcAvjujPbXxxRQQCJtF

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