Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG+hXN252eLRWxW6KCB6vd4Xx1lWJelMXOm/HEAwC4By1PdWV9DpWN7/Mj9… (844 chars)"
  }
}