message: add rewarder
diff: "decimals": "1e18",
  "poolId": 7,
  "chainId": 137,
  + "rewarder": "0x75f73Fec666052149FaE95a3655890b911E160a4",
  + "rewarderOracleId": "CRYSTL",
  "lp0": {
  "address": "0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270",
  "oracle": "tokens",
  