{
  "manageEntity": {
    "action": "Repost",
    "entityId": "570235090",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd1ce43d90baa9ba2d0cac001937ebee32a4caaba8eda79b1c3fc05d20f50cb44",
    "signature": "0xa67515dcc1a334425964288af33d1ff9293d7b915e9d175d92a6a81cd60af76c436a09572e040b8fd7bc78c72ec84fb7eaceba481dbbf9409c50d4fd6c14fb8b1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}