{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544573",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x617a6e2fb6676fedc309a4c013cba24eda4f9fdf139baffc9c6e97c2947a0c74",
    "signature": "0x6a02f6e45c894ae84224fcbbe174f39a209ed28fc02e9be14c47f9c527dafdba24a9b1e4caeda06942ec8d0eb3b94b9134e2af7cc583ec33b06c4bbfe31bdc631b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}