{
  "manageEntity": {
    "action": "Delete",
    "entityId": "156770994",
    "entityType": "Track",
    "nonce": "0xb35983ef924a3fd716d2ed7dab056462de5dace70c6ef600018dcfd2dc07692c",
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    "signer": "0xBC4Ece205cb3daC81F63fb3f7A9a16234fC803dF",
    "userId": "418692997"
  }
}