{
  "manageEntity": {
    "action": "Repost",
    "entityId": "510774",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0f75c33bc8d72dbb197e86c858ca19c557e8f9383cc32076859f53f8c0a318be",
    "signature": "0x82129950142ab19c96a58f0a097af91c2b9ba585fb2dd7bb9e04c47759c99bbf564a40f3c09b9312054e924a65116970b8de53f7fcc40ae0dc885ede1d5e1ca21b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}