{
  "manageEntity": {
    "action": "Repost",
    "entityId": "590767",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xeaff6fece878a3e8fe4efd10ac6394a4e1887f1a44a71b18e418b9b1466cd30e",
    "signature": "0xec3bec7c3882f1cf5fc881c99ad4b5736eb998e64053b5d058315063903199881286c3219b2a6cacda5002413de6e4214b13d841db36e34d2bf8b6708d5909f31c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}