Transaction

{
  "update_extension": {
    "msg": {
      "associate_address": {
        "name": "rbuzfn1m4ta6znzihsrp9ayc1m3qg6rgbf",
        "address": "cosmos1dys645lmq052nh7lzhgd9yqer3z62yfvwddqn2"
      }
    }
  }
}