{
"manageEntity": {
"action": "Delete",
"entityId": "649356211",
"entityType": "Track",
"nonce": "0x57012212fda4acb36ba319224455c7fd9b80a54c4edf34fab3d1299411e0471d",
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"signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
"userId": "715160400"
}
}