{
  "alg": "EdDSA (COSE -8)",
  "profile": "mesh.receipt/1",
  "pubkey_hex": "ea4a6c63e29c520abef5507b132ec5f9954776aebebe7b92421eea691446d22c",
  "steward": "did:key:z6MkvDqGT54cXesYGvABpF1UapVNwjCqRcafi4Px6Thv5T3Z",
  "wedge_metric": "uj_per_accepted_token"
}