{
  "manageEntity": {
    "action": "Delete",
    "entityId": "776950322",
    "entityType": "Track",
    "nonce": "0xdcb9863fd1b95da15b1fd59f8c1576e8bc4ed4d4e95338ca326c84a22d882f69",
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    "signer": "0xc9bF90D7781415A521df3E7a9beFeb2D743e9823",
    "userId": "697642249"
  }
}