{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1249391591",
    "entityType": "Track",
    "nonce": "0x297dd15a05cabd4a130b3ce189d02ba7c4a8a9802f7ca519fcebdfabcd932ff9",
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    "signer": "0x5Bd2B55f9E919abFFCC7853cd54ABf716372E6Fc",
    "userId": "70026"
  }
}