{
  "manageEntity": {
    "action": "Repost",
    "entityId": "510353",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xab4a07a3834f7fc5a0d6fa7be212218fbad522771811115ad9c133db7cc20d9b",
    "signature": "0xf589ef6479fd55eb2723b56e272bb401148e076b33cfa971c6b3d10feae90cbe15bf57128efdb3189c54c44fd044c95adb6b9b674bd42e2a5ff45c1c5fea54221c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}