AuthorizationTempo

import { Secp256k1 } from 'ox'
import { AuthorizationTempo } from 'ox/tempo'
 
const authorization = AuthorizationTempo.from({
  address: '0xbe95c3f554e9fc85ec51be69a3d807a0d55bcf2c',
  chainId: 1,
  nonce: 40n,
})
 
const payload = AuthorizationTempo.getSignPayload(authorization)
 
const signature = Secp256k1.sign({ payload, privateKey: '0x...' })
 
const authorization_signed = AuthorizationTempo.from(
  authorization,
  { signature }
)