Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQK3iMdM4po3qmNLcUcZbcqSvguWDqZgd3v6LhNc/NL5PG2vreBbpa1E3Ebr… (1,748 chars)"
  }
}