{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1548778778",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8e6a7cfe4f9ae35a8347b43aeb97a057806135b8cb3d7f5fb1f1381cfe96c7e0",
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    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}