{
  "manageEntity": {
    "action": "Repost",
    "entityId": "619376232",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74020933d0429affb4724af99a8e83976c6d0c32a708247cd8bcbf24ca61a1ea",
    "signature": "0x90c8d436eb42cfe4f5b95d83be923a5b90a5c3cecd00080fb03fc95b07544bcb7e12bfbf1dbcc47c428736ca98ecb96dff5959529765113e550b48aa010f80d71b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}