Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHAuBFsEuX4kEeNgMamogQxvd1bgWf6cTBqVTzFdbOsS2dTB/z6CUbQoy2b… (844 chars)"
  }
}