Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCqUp/3BN+DnfJb2mIDSFBcJF6rlI64Y/TrT7mJbC8qVRd6fZH/lWcxvP38… (844 chars)"
  }
}