{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449040297",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0729e339cf030759be7118305ea9251384e2d0ba5a5bb8050e16579234c56356",
    "signature": "0x9541468f638cfda17023b5e3767baf8873abf15a60a353805af5f30d410680213b414774b28c4265816512825a06c891551cdd1e0adf0622904d018074c1cb211b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}