Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwABinYRXsAN/DtDM9mFTFPEAf3xErjOSq9GtVi2V6xkCUYmOazRoWGA9GlZ… (844 chars)"
  }
}