{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664712593",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4f41a97b6029c58ca5cbb0ea3cd8b094d8bb0351ad2d0464cefc8e3475f61257",
    "signature": "0xd520730e8ec0196164080c69cfadf67fa647b01ceb721fcfcf56a0b4663ec32b605ec96fb2c65151b581089cee46177db7980c51e8d79063f76003b0a4389a781c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}