Search and page through published reward campaigns

{  "availablePoints": null,  "campaigns": [    {      "pointsCost": 0,      "category": "clinic",      "canRedeemForWeek": false,      "kind": "product",      "eligibility": "signup",      "signupWithinDays": 30,      "usesPerMember": 1,      "usesPeriod": "total",      "benefit": {        "type": "free"      },      "exclusions": "",      "outletIds": [],      "catalogItemId": null,      "redemptionOutlets": [],      "catalogItemTitle": null,      "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",      "merchantTenantId": "6f45c064-68ad-43e0-92dc-fa8655333cff",      "eventId": "d6703cc8-9e79-415d-ac03-a4dc7f6ab43c",      "title": "string",      "summary": "string",      "rules": "string",      "deliveryKind": "physical_gift",      "startsAt": "2019-08-24T14:15:22Z",      "endsAt": "2019-08-24T14:15:22Z",      "redeemBy": "2019-08-24T14:15:22Z",      "timezone": "string",      "reservationTtlSeconds": 1,      "requiresVerifiedIdentity": true,      "imagePath": "string",      "claimPolicy": "per_merchant",      "claimRestricted": true,      "eligibilityRestricted": true,      "merchantName": "string",      "limitBasis": "account",      "availableStock": 0,      "availability": "upcoming",      "ownClaim": {        "pointsSpent": 0,        "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",        "campaignId": "13f8bf6d-dc27-4a04-bffe-6e5b13c19ddf",        "deliveryKind": "physical_gift",        "status": "reserved",        "reservedAt": "2019-08-24T14:15:22Z",        "expiresAt": "2019-08-24T14:15:22Z",        "redeemedAt": "2019-08-24T14:15:22Z"      },      "usesRemaining": 0    }  ],  "nextCursor": "53a4a333-2825-45a4-80d2-5f430d088f36"}