{
  "manageEntity": {
    "action": "Repost",
    "entityId": "323087976",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfb5cc735aa8cb1e54f74cda76b3da1e5a71e666fbe061b9b4ae49e47b104bd31",
    "signature": "0xa5c459f5fcf77cf07c47f12fc68ae4962ce62e702d9d7d1decc5f615ce67a6e33787bb7e208d648a1d29d1dfcd311814d5586fc93c77d15f64588200298b4a7c1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}