Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH+FcXxNZSL0Y5t4/zua48e5hV2nKj/x1gkSKwGMguaT05S0pf12mLtDU1Z… (844 chars)"
  }
}