Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBIIXYy2l0NmT6ERdpqM2RY2gPU0eUiwX18zSPxMa6BYlSCH4Ohc8+0riLO… (844 chars)"
  }
}