Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGx9dhXWUZsfcKBVLVLMpqCKZ5+4JYNX3UKH3yojMGhMAmBBNa3cln2vQNa… (844 chars)"
  }
}