Adds Merlin-BTC to Kava Lend

1. Parameter change cosmos.params.v1beta1

   {
       "@type": "/cosmos.gov.v1.MsgExecLegacyContent",
       "content": {
           "@type": "/cosmos.params.v1beta1.ParameterChangeProposal",
           "title": "Adds Merlin-BTC to Kava Lend",
           "changes": [
               {
                   "key": "EnabledConversionPairs",
                   "value": "[{\"kava_erc20_address\":\"0xeb466342c4d449bc9f53a865d5cb90586f405215\",\"denom\":\"erc20/axelar/usdc\"},{\"kava_erc20_address\":\"… (1,211 characters)",
                   "subspace": "evmutil"
               },
               {
                   "key": "MoneyMarkets",
                   "value": "[{\"denom\":\"btcb\",\"borrow_limit\":{\"has_max_limit\":true,\"maximum_limit\":\"1000000000.000000000000000000\",\"loan_to_value\":\"0… (8,133 characters)",
                   "subspace": "hard"
               }
           ],
           "description": "# Description\nThis proposal adds Merlin BTC, a leading Bitcoin Layer 2, to Kava Lend protocol. mBTC will have cosmos-sdk denom erc20/meson/mbtc. The new mBTC money market will start in deposit only mode (no borrows, zero collateral factor)."
       },
       "authority": "kava10d07y265gmmuvt4z0w9aw880jnsr700jxh8cq5"
   }

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