Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGr9dqMPCp9E1i5eY3JwqihojRbGOZBCJi3ID+TZ9dV5wA8lXMfnk+87ZPj… (844 chars)"
  }
}