{
  "manageEntity": {
    "action": "Repost",
    "entityId": "452662",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdc11e1fc23110efd50960b9944eeda2607c3ad0e56e9b34cd3e21ad111fb282d",
    "signature": "0x5b7e94c7fca438a9ad493305da31ee221150a529db8e8f78a96a739daad401ae037e985afb416f9fa57d0fb17c0cba5a8289799ee78374fd207ada0d16529f7b1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}