Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFUiBu7iRBFw+VQB3YCgSjpe3CcZpITUs9gv27BfvDLcm1Qu/HKSeTjfnzz… (844 chars)"
  }
}