offer-get-prepare-transactions

GET {{market-api-endpoint}}/offers/:offerId/preparation/transactions

Creating an offer (sale) happens in multiple steps: * create offer using post (create-offer-sale) * retrieve all transactions that need to happen for the sale (GET offer-get-preparation-transactions) * if preparation transactions contains approve, PATCH using add-offer-txApprove * Sign the data with the nft owner's wallet * Add this signature to the offer: PATCH add-offer-signature