{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1504154640",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9b3e65414f50572d6aac1ab3f53cb10e8e9e1903f8000653a851c96d44258ab2",
    "signature": "0x612893fd2a21cfaa28edccc43029c1792949b49b29f7e7141bd284e07d2c558853d9efdd22a79cf2bd7387253637a1a9026b54d095a9f1cf61e00708dbf6f8a21b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}