{
  "manageEntity": {
    "action": "Repost",
    "entityId": "554488",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8e1b41b2fe66c20962756c3014f453147e7bb3d8142f0be478d2a899c74eb93d",
    "signature": "0x7608ed900b8a7fb992e7ad1c5a6dc0ef195d2fab40409b96245275a6ecf661125a6d71dbffd28334337a205a388bd47ff13f1e4d038b6f9eb07f1cfcda3e74a51b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}