Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCihv3dRhE8x4c5Bj+IFZ5a3WOGOWB+Ogs7xYb1a0gftUgf8cAJ3zUk9n+t… (844 chars)"
  }
}