Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAbwM6AwB2HNH/C/D/lBgnZb9DE6ZK+6WU/Y9N74U6AsHh3DYmh5ZP62Lm/… (844 chars)"
  }
}