Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF7iCa0/yIqL2NaHKvkpFuZLtIs4a2IXSMCgJUxZBQkbyTaX+pRDTEx3C/Z… (844 chars)"
  }
}