pub const ESRS2020_EXTRA: &str = "{\n \"@context\": {\n \"@version\": 1.1,\n \"@protected\": true,\n \"challenge\": \"https://w3id.org/security#challenge\",\n \"created\": {\n \"@id\": \"http://purl.org/dc/terms/created\",\n \"@type\": \"http://www.w3.org/2001/XMLSchema#dateTime\"\n },\n \"domain\": \"https://w3id.org/security#domain\",\n \"expires\": {\n \"@id\": \"https://w3id.org/security#expiration\",\n \"@type\": \"http://www.w3.org/2001/XMLSchema#dateTime\"\n },\n \"jws\": \"https://w3id.org/security#jws\",\n \"nonce\": \"https://w3id.org/security#nonce\",\n \"proofPurpose\": {\n \"@id\": \"https://w3id.org/security#proofPurpose\",\n \"@type\": \"@vocab\",\n \"@context\": {\n \"@protected\": true,\n\n \"id\": \"@id\",\n \"type\": \"@type\",\n\n \"assertionMethod\": {\n \"@id\": \"https://w3id.org/security#assertionMethod\",\n \"@type\": \"@id\",\n \"@container\": \"@set\"\n },\n \"authentication\": {\n \"@id\": \"https://w3id.org/security#authenticationMethod\",\n \"@type\": \"@id\",\n \"@container\": \"@set\"\n }\n }\n },\n \"proofValue\": \"https://w3id.org/security#proofValue\",\n \"verificationMethod\": {\n \"@id\": \"https://w3id.org/security#verificationMethod\",\n \"@type\": \"@id\"\n }\n }\n}\n";