{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545693",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xffa87a77131ed50148de481e970234b36b72bc9f51ca557fd1dd2efcc1b8e3f3",
    "signature": "0x0f8c7e5c644c9766a6fafee882a9cc02655e9ccce8d7f3e69fba9a6df339b6325520344ae0b438e2b8b748504c6dca1e7bfa9d6ac6bbd0a87668cdcbfbc779d81c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}