Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwB2Vvhqu8RWm0kjXXtf1sgw8OQhZa8WqOsK/Fw3gMPhag7MP0Xn3W2Qe0oa… (844 chars)"
  }
}