Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH3pHCg/RFxiKHp57+1HEiV8/X1zIlxquts0SdL8B8oXHvVngvpu2YGrP2E… (844 chars)"
  }
}