{
  "manageEntity": {
    "action": "Repost",
    "entityId": "723879",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3894955a6006721618d92d8c4603764b0ee0a51def3480f555d22723748a1d48",
    "signature": "0x319a3cc7da559b52461a056006ca5b09d452e598e4a1712695dfdb2c16014038082d77d30aff87555aeb01c5d49ad4d7b4c91bec181716d36fe7ae04269d439c1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}