Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHez1tFTaBID4jvMX98GWi+3on5Nv+J6Cre3rwFA1sT5w6YNVmOXhc4Uq6m… (844 chars)"
  }
}