Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB/OIi/2+p8Tf/rstvu7zBb4m+t6LwJRb9MC3/4kfwRIRG+eYKNoD2QW5gY… (844 chars)"
  }
}