Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDqaYjEJoJ9wNFfMpwGnws9r2U4SdHSHXD1LXYoTM0aWmTUz1BBBryb+3dI… (844 chars)"
  }
}