{
  "manageEntity": {
    "action": "Repost",
    "entityId": "56441307",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x856f63375d336f82be805a1ed4db05c3f4de222d7cbc69e644db94b83205ae75",
    "signature": "0x557508f93eebf35cf9682feeb01c64305290e16fb3f85c2603cecf52be45c45d7d8db3dd0e4b201001484e22f3e031878e107fac411dd5cc3955ceff528b15341b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}