{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1497935312",
    "entityType": "Track",
    "nonce": "0xa3242c508ea75aa56f525e9c50973e174d9025e3e400ead7226f68a9349cb14b",
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    "signer": "0x7A21b0Be5ea5cda3a838833Ba3B2abF4F65bAdc4",
    "userId": "66156"
  }
}