{
    "@context": "https://w3id.org/security/v2",
 "id": "urn:uuid:ad86cb2c-e9db-434a-beae-71b82120a8a4",
 "capabilityAction": "Drive",
 "proof": {
    "type": "Ed25519Signature2018",
    "proofPurpose": "capabilityInvocation",
    "capability": "https://whatacar.example/a-fancy-car/proc/7a397d7b",
    "created": "2016-02-08T17:13:48Z",
    "creator": "https://social.example/alyssa/#key-for-car",
     "signatureValue": "..."}
}