Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC1Xr5XRHT56BEwn/9EBY1J1EBT1++uP45yzxcSkl2BDBG6cSu8D6DSESmH… (844 chars)"
  }
}