{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1576486100",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x462c7b56be5f117949affee06738313ad73af30f5da0bbf88803a4a1ee4a6daa",
    "signature": "0xa8438b4a87a3e3512b353c124dbc8a5d587814bd2df2f68e72e5535f5687b2f9028e1e791a6004946cf564a67825af53cbac542fd85ffc28c82d43e5400d686a1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}