Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGf7VkToHhqpWRg7PGKYyBXcKhmok0gsYt4JGehwVZ1jHWBDEyJTMdwNuL/… (844 chars)"
  }
}