Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBXPD8W3qxeX8kXL/ELBtHl0s8bn+htYRhePHnLSXfYczBqeJWtHqS55yNB… (844 chars)"
  }
}