Transaction not yet indexed

421CnkDRcQ8H1j9WG9YYFoz1DicBtKjgfGoR49ZgjU7A33JvHL7FaYSmsQSjKASZe6QQFMcs7NGmTwzo5R4AXKnu

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