{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388891",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6723f4ba45a58d23ee4715c95061db3e6c7c92217984d31f80315a7b991caeeb",
    "signature": "0x97e07acbfa34c3957bd7349bf29025cc48a6f9c41eda8ca3871605b9fc7cea372d764d49ea6105c8d12a16a77e101642c047712409e14da7fd7da8273045d2a41b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}