{
  "manageEntity": {
    "action": "Delete",
    "entityId": "594374",
    "entityType": "Track",
    "nonce": "0x1ae8127f162824ea3fd52a546e8051482ae697f65253320a3e6e92ef52d36a89",
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    "signer": "0x5774aE8E94c8f27Ce55D32B1f1293a8c4C9b5C2B",
    "userId": "73258"
  }
}