Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwD+X5AkRJEtlA1eGB2S2VvR6qD2+pjKO+m17px4AJH6oT1agR4i1A1Bh0bO… (844 chars)"
  }
}