Transaction

{
  "set_collection_bid": {
    "collection": "cosmos1f7th26nhqyezk8acz9stpheh85muel47ycw2sa6m4c4fcffce22spk2f20",
    "details": {
      "price": {
        "amount": "2100000",
        "denom": "uatom"
      }
    }
  }
}