Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCSw4Ft9VAi4/OQy7EoTCpQGxCF3EYBS4Wkzvf613pOyy0lYRO4EUFXpUbL… (844 chars)"
  }
}