Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCYuYYtDmHGIr65ZVgRF6w30S4oQS8e6IZw5eCVO2R9pTLHcswkO9xvRBtp… (844 chars)"
  }
}