{
  "manageEntity": {
    "action": "Repost",
    "entityId": "753900312",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x20d52d7febab3e87de7b55a9116134b28e4816b75cc158aca7129dc8c659b855",
    "signature": "0xef8e8d2eb4658a7754dd1d475970ece440a31dcfe3a072ede8f6d6e5f20351294add27b82d60cbe4fcfb648f18c25d60ec232d063c057c50e40613f40a2100cd1c",
    "signer": "0x4A3D09CdfD42dE4C57dc67B09a40B5d9172bD69f",
    "userId": "787102835"
  }
}