Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGLTSddpKj6Q6IxLH6jE3JLuE4Zjm1Sh6n8E1z/6R8N/wXK3p9+/Hhb8nAu… (844 chars)"
  }
}