{
  "manageEntity": {
    "action": "Repost",
    "entityId": "508859557",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1309af85c63342d58cda86ac63661e7aa665bb80848bd8fcc4b2b4e32680a367",
    "signature": "0xf9c4120b87687cda0be9ee646d44f2e8b998d9a10e9155291ee677ce3e7da6597d046e19d3d44169dae4ba0d494d23f59c89275a09a58d142ba370c0a63f69951b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}