{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1499766941",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5a196c51f833fa34072f2fdfddbaba3286f9ae3c97a607967ffc70dc659ece60",
    "signature": "0x22e4035eba1193f25bb4d85544a6cfe1bfb798565175e04aee33f68b72a6031330c4aeeb4854a02e0330ea6897c0f8a9786f205b3ede75d40f0ee814b98bcac71b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}