Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwIKY2x/nhkBXP9qdmXbTdvmtDhRyGcPyybUsELTKwpJwm/iUD/cvC0X/h3b… (844 chars)"
  }
}