{
  "coins": [
    {
      "payload": {
        "cdd_location": "https://opencent.org",
        "denomination": 1,
        "issuer_id": "23ed956e629ba35f0002eaf833ea436aea7db5c2",
        "mint_key_id": "1ceb977bb531c65f133ab8b0d60862b17369d96",
        "protocol_version": "https://opencoin.org/1.0",
        "serial": "cd613e30d8f16adf91b7584a2265b1f5",
        "type": "payload"
      },
      "signature": "2ec0af339566b19fb9867b491ce58025dcefcab649b51ee75fd26f0aa3ef97f14a8aac3ed5b2470af216b49be90e01d0434d1bd9762c8f8db3d15239148640b5",
      "type": "coin"
    },
    {
      "payload": {
        "cdd_location": "https://opencent.org",
        "denomination": 2,
        "issuer_id": "23ed956e629ba35f0002eaf833ea436aea7db5c2",
        "mint_key_id": "f2864e5cd937dbaa4825e73a81062de162143682",
        "protocol_version": "https://opencoin.org/1.0",
        "serial": "78e510617311d8a3c2ce6f447ed4d57b",
        "type": "payload"
      },
      "signature": "6aefa7472518ed0a1ec64971220ce3a3a921a70bb0d386c164b47419adfea23f4d10e50c5ad275607ff86a08ad27dbcbc1df2ee50fffca50e54e1cc8d7834de2",
      "type": "coin"
    },
    {
      "payload": {
        "cdd_location": "https://opencent.org",
        "denomination": 5,
        "issuer_id": "23ed956e629ba35f0002eaf833ea436aea7db5c2",
        "mint_key_id": "897a16bf12bd9ba474ef7be0e3a53553a7b4ece8",
        "protocol_version": "https://opencoin.org/1.0",
        "serial": "e4b06ce60741c7a87ce42c8218072e8c",
        "type": "payload"
      },
      "signature": "72da93670f666c529f26fcf15092a63c0fa48c83875956c818510d3f192b6cb8af388f1860339237e05f79f731f5870b0b7e91f8b071c91abaa0e62c2bfe9943",
      "type": "coin"
    }
  ],
  "subject": "a little gift",
  "type": "coinstack"
}