Transaction

{
  "set_bid": {
    "collection": "cosmos15ajc5wk3vxctzzflyqna5x48ge3jkk7s4nyjh0v4q8udd4j4cdzssfnfx0",
    "token_id": "2104",
    "details": {
      "price": {
        "amount": "1500000",
        "denom": "uatom"
      }
    }
  }
}