Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBM/Buk8Raqh6BL7mXgZ5aCe/1I3+0xnqf//8ani0JPQwc1U/m1X3IT2iSZ… (844 chars)"
  }
}