{
  "manageEntity": {
    "action": "Repost",
    "entityId": "830558",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2b78c1ffa570c440a96d42f92a733a5ec344bb475d1d5dc2b2daad25ba3df19d",
    "signature": "0xfce9bf0901aa6fbbdde421c3cfdaa092945828b71100182e49eaa3a71d1c7de929ab02964cf63136475f737b6325e491c2eee5d65411828c4da5a6bae087f5241c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}