Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG9VkL4Oi1KAn74jNSVCOeJTZ+Ww1GQwwy/Y373w7mRkWTVnsXY2X8mXPgB… (844 chars)"
  }
}