Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGkPhrpafLLF82Pey8YGCgMDRMuBc4Y+kloL/k3Mhg+T2YboeJhO7Wdrgkw… (844 chars)"
  }
}