This object provides the input for dutch auction bid input.
| Name | Type | Description | 
|---|---|---|
lotID | UUID | The auction lot id. | 
walletAddress | String | User-connected wallet address. | 
txhash | String | Completed Transaction for Dutch Auction buy.  Must for on-chain auction. If provided tax quantity and amount will be taken from transaction info | 
tax | Float | The tax of the bid amount. | 
quantity | Integer | Quantity of NFT to buy. | 
amount | Float | Unit bid amount. | 
