{"issuer":"Goldspring","format":"goldmine.privacy-receipt/v1","howToVerify":"Remove the `signature` field, serialize the rest as JSON with keys sorted at every level and no whitespace, and verify signature.value (base64) against the key with the matching keyId.","keys":[{"keyId":"gm-07603cbb0c6017e8","alg":"Ed25519","publicKeySpki":"MCowBQYDK2VwAyEAg0dDAIWmsusUVlKs5cyGekkA08Kan62CtZGShTUBbC4=","publicKeyPem":"-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAg0dDAIWmsusUVlKs5cyGekkA08Kan62CtZGShTUBbC4=\n-----END PUBLIC KEY-----\n"}]}