Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBwBiMcIqMs9BpA3LqNctB2f3BnBn76CgNtVZm2vl3WggyyP6k7+Pq29+vb… (844 chars)"
  }
}