Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE/cj9rMuY6eT+qcYRcfhY5yHGPE70VC2Nug7p7Jov4P1co7yyeOUBV4j32… (844 chars)"
  }
}