Create Entrance Signaturepost https://ag.eqhub.eqbr.com/api/v1/nft-kits/{nftKitId}/entrances/{entranceId}/signatureThis is a request to create entrance signature.Response nameTypeRequiredDescriptiontoken_nonceNumberTrueThe nonce of the NFT stored in the NFT kit.signatureStringTrueThe signature value generated using the EIP-712 method.