Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBWoCiRvnVel/DD9rE3V60nDVlCbBk2vBD2pqOz+J9qpHv2KxRYdmr4Vsw3… (844 chars)"
  }
}