Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDsUAWJ5AHOrY++ieOFChiHP9pnWTLvpY6/hMN1t+E9/lRuVs/DGp0mj+jH… (844 chars)"
  }
}