Adjust HARD incentives for liquidity providers

1. Parameter change cosmos.params.v1beta1

   {
       "@type": "/cosmos.gov.v1.MsgExecLegacyContent",
       "content": {
           "@type": "/cosmos.params.v1beta1.ParameterChangeProposal",
           "title": "Adjust HARD incentives for liquidity providers",
           "changes": [
               {
                   "key": "LPSchedules",
                   "value": "[{\"active\":true,\"deposit_denom\":\"usdx\",\"start\":\"2020-10-16T14:00:00Z\",\"end\":\"2024-10-16T14:00:00Z\",\"rewards_per_second\":… (2,453 characters)",
                   "subspace": "harvest"
               },
               {
                   "key": "DelegatorSchedule",
                   "value": "[{\"distribution_schedule\":{\"active\":true,\"deposit_denom\":\"ukava\",\"start\":\"2020-10-16T14:00:00Z\",\"end\":\"2024-10-16T14:00:00Z\",\"rewards_per_second\":{\"denom\":\"hard\",\"amount\":\"633761\"},\"claim_end\":\"2025-10-16T14:00:00Z\",\"claim_multipliers\":[{\"name\":\"small\",\"months_lockup\":\"1\",\"factor\":\"0.330000000000000000\"},{\"name\":\"large\",\"months_lockup\":\"12\",\"factor\":\"1.000000000000000000\"}]},\"distribution_frequency\":\"86400000000000\"}]",
                   "subspace": "harvest"
               }
           ],
           "description": "Increase HARD incentives for USDX to 11.8M HARD annually. Reduce HARD incentives for HARD to 5M Hard annually. Increase HARD incentives for BTCB to 1.2M HARD annually. Reduce HARD incentives for KAVA delegators by 50%."
       },
       "authority": "kava10d07y265gmmuvt4z0w9aw880jnsr700jxh8cq5"
   }

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