{
  "manageEntity": {
    "action": "Delete",
    "entityId": "144448565",
    "entityType": "Track",
    "nonce": "0xc7315ac085cdf073aa0d6feb3704bcc68ec9b7b371d58e8050362718210810b2",
    "signature": "0x7ef0fbbb44c84c8cd567d1bb914abd1136e7151a76f25e43dcb2f14c34acba7d1a469ed46a91188bf8524716f725657b1369c60e201b932f91ef4c5653239baf1b",
    "signer": "0x4771D256e7217EB6B247e8cBaFbbCb199424a6b2",
    "userId": "836389559"
  }
}