{
  "manageEntity": {
    "action": "Repost",
    "entityId": "520991592",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe42e843a3daa215217e267deedb399fd019648719d013e4f6e6bf1739ca81326",
    "signature": "0x2a7aa60ae70c9e4f8c2543fe4b8c433886e7975e6b2f638f16d915ef1588a035353caeadfac7edfc99b7859822d769e38abc2c2fb905fd26f22f44fe2063c5021c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}