Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCtfGBnCLxwYmFAk3yXDSMNcBSeqUXcR+3HObNYcUj9GxhfaKZk4OQbIcrE… (844 chars)"
  }
}