{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1002217132",
    "entityType": "Track",
    "nonce": "0x80bf8ba6131c185b0767bf3988c513a2c2fdca7293cd6a45a7fb3a23cec5b46d",
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    "signer": "0xC4E6a41dE73aE9123183d5b563f7975452d942B1",
    "userId": "158574"
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}