Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCGDAWUrNKJZY9CfawwImQ7S772uqOEYJNCTcBWLbsXIhPCupKM4u2j2GF+… (1,748 chars)"
  }
}