{
  "manageEntity": {
    "action": "Repost",
    "entityId": "51521005",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9fc53cd96ee7a96a01a109af15a3f756e5b4df5125114dc2daca8c962ac158fb",
    "signature": "0x2b0a7a4e1bfc377cf12dde03f4ce73f1b96804a9cbc47223327ff90baf6dcd5d6337379614c4120880ef3207476af01e8f9620de25691ae753df09b33b8a9a3f1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}