code: async function update (nameId, target, options = {}) {
    const opt = R.merge(this.Ae.defaults, options)
    const nameUpdateTx = await this.nameUpdateTx(R.merge(opt, {
      nameId: nameId,
      accountId: await this.address(),
      pointers: [R.fromPairs([['id', target], ['key', classify(target)]])]
    }))
  
    return this.send(nameUpdateTx, opt)
  }
docs: Update an aens entry
  @instance
  @function
  @alias module:@aeternity/aepp-sdk/es/ae/aens
  @param nameId domain hash
  @param target new target
  @param options
  @return {Object}