{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1138264256",
    "entityType": "Track",
    "nonce": "0x703ccf1c63065a3ecd2c34ec04ea24ae64e8bf70ea0e6dca5b9e94e38b63c712",
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    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}