Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGLvwuQaWKXsJIb7ssgCPq4lOPAT5uj9iEXui1MzcDRmXHttFutWPgr6xnB… (844 chars)"
  }
}