{
  "manageEntity": {
    "action": "Delete",
    "entityId": "250535",
    "entityType": "Track",
    "nonce": "0x115640e81e77e1da52acaa13f3a8c4a3d8c77456cab96ad0c22f649bc669c275",
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    "signer": "0xfEf71DA96b2A873D3fFA10091881F607a11Fadcc",
    "userId": "94805"
  }
}