Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBHqZzpUFYPuXvV0kczgLXTt50EiZb8Yrs3+rw5WT1/Ak9LLdzI8O67yp6C… (844 chars)"
  }
}