generateAirdropSignatureERC1155
Generates the req and signature for sending ERC1155 airdrop.
import {  airdropERC1155WithSignature,  generateAirdropSignatureERC1155,} from "thirdweb/extensions/airdrop"; // list of recipients, tokenIds and amounts to airdrop for each recipientconst contents = [  { recipient: "0x...", tokenId: 0, amount: 10n },  { recipient: "0x...", tokenId: 0, amount: 15n },  { recipient: "0x...", tokenId: 0, amount: 20n },]; const { req, signature } = await generateAirdropSignatureERC1155({  account,  contract,  airdropRequest: {    tokenAddress: "0x...", // address of the ERC1155 token to airdrop    contents,  },}); const transaction = airdropERC1155WithSignature({  contract,  req,  signature,});await sendTransaction({ transaction, account });function generateAirdropSignatureERC1155(options: GenerateAirdropERC1155SignatureOptions) : Promise<{ req: { contents: readonly Array<{ amount: bigint; recipient: string; tokenId: bigint }>; expirationTimestamp: bigint; tokenAddress: string; uid: `0x${string}` }; signature: `0x${string}` }>The options for the airdrop.