Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwETcBR1EgoQN00vL+cmC9EwXYk/aGMuwX2iHqS7BCpX2jUhL1Xn+b1lsVhM… (844 chars)"
  }
}