{
  "manageEntity": {
    "action": "Repost",
    "entityId": "413206",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1b17f4bd1a8501c1cbb40f6ed5fc44b3369c1ba0b2ee2b457009ede13cacd49e",
    "signature": "0xb03a3996c9608ec257d18dac8dc41710c071a2e2087aa9ddc4f7299d4f4b3731701e1d595ac1ec17d8c4c1b7318688ae0cdfcf9d8dbcade62b40325b97ac42a71c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}