Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF93llmZ0gPE4FH7dKzzqWuB3Pg2YayR2LUFsW/qA5TMUQ8yRuUjrJu8D3t… (844 chars)"
  }
}