{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757177766",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf9bbe405685fcb900b116fa05f6cc3b8b3cbd99e40903664523712ca485cd54f",
    "signature": "0x187da4739681a93f1c680b038497d3706ceae32ff3f87ad5ebed1f9e72c48eec318e3346696e434e209cb5cefeb0f8548274fecefe3d0e7e2da3aae93e1fb2561b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}