{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1550412441",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3454ec15c7f1d7f5ebfa3e7ab31bfd8568b5b3f7e40cef604b0836a7f4b894ed",
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    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}