Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBf6IyYiHR8i2FSiMWMRPOAZHr/FDz5xeB1K57wGkdTT1ik8Vj1rdcIpDdm… (844 chars)"
  }
}