Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEYJqi04BHqTVDvEtR0v1/N9CkAbEtcMu2ZkOInDX1FVS9I+3gGn7W/2yaX… (844 chars)"
  }
}