{
  "manageEntity": {
    "action": "Repost",
    "entityId": "853211405",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8b82cbfcf8c22b9eb8ff9ca5cf1492109abbdef6c2a06dbad80b7fab96e50dcb",
    "signature": "0x3da33596aa969393bca1003deb137043b802f600d8ed29e03aeba9c79221b6d426321ee828cd73ca959aaaafd5bffabde453c0419bf44075d5052bdffa4baba31c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}