Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCE5EN5DebrKNAu4aSAFOk4op8OA05CXNxKiA/oY4Grf22NSmAXpPz3Srwd… (1,748 chars)"
  }
}