message: fix json errors
diff: "start_payment_cycle": 24000000,
  "end_payment_cycle": 26000000,
  "subgraph_config_locations": {
  - "card_payments": []
  + "card_payments": [],
  "rewards": []
  - },
  + }
  },
  "user_defined": {
  - "token": "0x999999cf1046e68e36E1aA2E0E07105eDDD1f08E"
  + "token": "0x999999cf1046e68e36E1aA2E0E07105eDDD1f08E",
  "base_reward": 10,
  "transaction_factor": 1.5,
  - "spend_factor": 2
  + "spend_factor": 2,
  "duration": 43200
  - },
  -
  + }
  }
  \ No newline at end of file
  