Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCalPTUM9Z+QCYS2C9IsUrf/vxqqWcPZYLABFTlmXiPOQd240F3+7FQ0tn2… (1,748 chars)"
  }
}