Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA+K3sfZiuBNSfRhJuCW3xhSF2I2QHi0hMgRRK3WEQXL20sJWfzWfeJjhdK… (844 chars)"
  }
}