{

"body": "{\"x\": 123}",
"isBase64Encoded": false,

"resource": "/calc/{proxy+}",
"path": "/calc/1/add/2",
"httpMethod": "POST",

"multiValueHeaders": {
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    "abc"
  ]
},
"queryStringParameters": {
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  "bb": "22"
},
"multiValueQueryStringParameters": {
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    "11"
  ],
  "bb": [
    "22"
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},
"pathParameters": {
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  "other_id": "2"
},
"stageVariables": null,

"headers": {
  "Host": "1234567890.execute-api.us-east-1.amazonaws.com",
  "User-Agent": "Custom User Agent String",
  "X-Forwarded-For": "127.0.0.1, 127.0.0.2",
  "X-Forwarded-Port": "443",
  "X-Forwarded-Proto": "https"
},
"requestContext": {
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  "resourceId": "123456",
  "stage": "prod",
  "requestId": "c6af9ac6-7b61-11e6-9a41-93e8deadbeef",
  "requestTime": "09/Apr/2015:12:34:56 +0000",
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    "accountId": null,
    "cognitoIdentityId": null,
    "caller": null,
    "accessKey": null,
    "sourceIp": "127.0.0.1",
    "cognitoAuthenticationType": null,
    "cognitoAuthenticationProvider": null,
    "userArn": null,
    "userAgent": "Custom User Agent String",
    "user": null
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}

}