Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA5P1P5bx+23nCaWJgFt7lA64YQlAIgX1Mju5b1bTsNqnFt+ydeXb0MgLPn… (844 chars)"
  }
}