{
  "manageEntity": {
    "action": "Delete",
    "entityId": "747791",
    "entityType": "Track",
    "nonce": "0xdf7e49a4a3ada98124cfae5d5f09f2083bcc03ad61453f25bc27553e692e29f6",
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    "signer": "0x5957c34011bed9D75E94CC7A0Db50fC93b787F5B",
    "userId": "334946"
  }
}