Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC63G/VY7XkiI6sMwqSLMhIkzVHSqWKl/x8Yw+MDJEpQln+hhsIKId8fpVo… (844 chars)"
  }
}