{
  "manageEntity": {
    "action": "Repost",
    "entityId": "506451",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2de67f2e9a510b0b834a0b610a2d9208fd46777d4cf5e2d53ed16f0c57514e8d",
    "signature": "0x283bec484cf7b12a3c4e812c865765f12494299a7ff5bcadc01c9e51e510eb3a2f153b76e53615f25057771aa072ccc3828500889b7d45f647ab8e6bf66774b91b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}