Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFOZs/ILKw8W6+omQQJNi8RmejvvVtLy+Iy1sOUvCmAzE0NsILD60UbBX4f… (844 chars)"
  }
}