Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFIW+2CoqHIw5aeDGT5ZkJLAu+Hc7yj6JwixUbBAcQB1iBmQnWWBVtf06TY… (844 chars)"
  }
}