Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwKC+AVI/sBRhOb5d1m7nlXXE5Pw5wijXi2c8PVPsJyZNDKzpwrR1aNEqMpW… (844 chars)"
  }
}