{
  "manageEntity": {
    "action": "Repost",
    "entityId": "671893",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5da9a6f25f56a398a4d533e5ee512013a72c648b1175c862e5ced9861508c477",
    "signature": "0xaa8ef15d968adf34f7eb4ea5e38568a85ad65243de9362a8d7c5c8f048738ac21f4d1f1a1bbf92a59a4095728a57304ab11887478f4d0e6a3bff535a4fefdfb31c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}