Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCHi/0AB5D6+wQl4SbpQBYNxSCz+gK9yV2p5uszDYWJ+gAZfzvjSUXz8na4… (844 chars)"
  }
}