{
"manageEntity": {
"action": "Delete",
"entityId": "989047337",
"entityType": "Track",
"nonce": "0x5b49f20c07850b73b970f85a74f88e370e02a44ad53a82f894ce54902348c392",
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"signer": "0x18a7B3405E81900d8aF72d98D5f2C54e2C988f9b",
"userId": "42634173"
}
}