Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGRMiR9X4mg5X+e2fG+/eKqFIXFnMs45K25Zn9jMxfFyWyWiUWbU4f5AXEm… (844 chars)"
  }
}