{
  "manageEntity": {
    "action": "Repost",
    "entityId": "753159",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x66d2302358fdf185997c32e7620b06ed4a048319b9b086b7e72cbb989378b312",
    "signature": "0x0637629740fbd460493607a168bd5d1df02443d2e5355eeef521a3ae32a7044841591bcccdd97906a67e018ee4f9004db118cec51f5f4106c5c37eb576f7c5e51c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}