{
  "manageEntity": {
    "action": "Repost",
    "entityId": "301108",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x48e535f64bf1f72c6004947221f2cedc7c109333b04f18e7a57b0d52d2a8e0d2",
    "signature": "0xd9ddee58ee8fc4cf9b85ea63848975b158ce289a8c25dcbbe3a9dca12e86c64c24fa44a791c4dbe3d55e26d4a4cf653d1cd78cd081346b4f060d9d0d35df89ae1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}