Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCZMSI8dPGhJNZlaFr3E+8g8BDFd3dGPl3OkMOX+5SD8ldVtId4da+Hj0zf… (844 chars)"
  }
}