{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1304972471",
    "entityType": "Track",
    "nonce": "0x0effe45f5f6c446b2aee2dcfa6a0c11204ca84825332a70c00beec593973f7bc",
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    "signer": "0x8494040f7CA6D76959aA4DB202859d635C23147e",
    "userId": "668388673"
  }
}