{
  "manageEntity": {
    "action": "Repost",
    "entityId": "607423178",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x76fc431985209013b4f389471566320f1d9d173ea39b0336ac8b93e72520ac29",
    "signature": "0x6ca7be002f147d0d6f2a0a5b5b5d08aadec0f4e01802a683242f7fc1702cabfb299b5079ad5d5278b934617bcd040f5b8677c65aa0d99139ab0ce44f205b1e611b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}