Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDrDXlPK+X7LPEEMi7W/w2G2nUquppcA1PCxjE2M5Ai90LyQwWMMVzAh1E4… (844 chars)"
  }
}