Transaction

{
  "set_collection_bid": {
    "collection": "cosmos1qtx2uh9x9r7lqwhwua7w5ygptfwu3jzfgqlqa9rc8x9eyj9u2m7sh4ldk2",
    "details": {
      "price": {
        "amount": "18000000",
        "denom": "uatom"
      }
    }
  }
}