Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBLxTO6oW7zxJxe5a/rTwGTGGUFOOjtcUdRh3r7PEfmzyrdXyaHcR4Nh1y4… (844 chars)"
  }
}