Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAw59d9C8z4NbPUjfiSP+1U7nIe6PdAMy7jh2DERfFyFG/Uy7+MHKypfAxm… (844 chars)"
  }
}