{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545428",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1551bed10bb9f4670a24146fd43a57f2e842530340f95f0a1656fb94999b8197",
    "signature": "0xc5f314a991b9971c4afa5cd50b99d2a6576d144da3f04af25c12fae6918330685fe2af9b928744344fa6c4ccb2221117c27b222641f4b5417f8d9394c9fdefa51b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}