{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545571",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x87984c98dcabd9e87b5487d220d6aab4712d75f0872b25ca22a379a3c603d02e",
    "signature": "0x5ea2fc3f74275f2153e0946be41eb5ff0d063b8173cc5c2f78181304696cb39038686733735f6e4ba208dc738978141397a4e47cf7c2c0f3e642045b36be18941c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}