{
  "manageEntity": {
    "action": "Delete",
    "entityId": "290284914",
    "entityType": "Track",
    "nonce": "0x22f4d53b8cf311c370fabd6c68c221c53d55283f9acc894cfc209e1eb768124d",
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    "signer": "0xdfcc4d06D5B8A0AF1AF77B1Ec434e5F50B625a75",
    "userId": "620921422"
  }
}