{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21384602",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2c7067ebd85c56a76389c325c6c6b028cd8f8ca3055d910c162725e1716749e8",
    "signature": "0x6a74871bd4c4f602c8b3fd2ae018a911762336557da2b6801b22ed1c407ea91d5a56165d1dac5f60aaf659b63d2b0fd2dc4260f2aa11e004e0351097c9e24dd31b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}