Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAKiH02+eLl2cWI5DtWSnxc+gL5iXRG1DUyRUGopmP/9AoUCbMUs2ht+Fc+… (1,748 chars)"
  }
}