Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH4kxdueA6zbmAqb0+E8+MFmFBFtx/Ttu+2VFYipDPE2Xj55z0f9FoeysIU… (844 chars)"
  }
}