{
  "manageEntity": {
    "action": "Delete",
    "entityId": "401134208",
    "entityType": "Track",
    "nonce": "0x5dda81813f060a234b3c7f228d766e524634f08257a66e91e718eeb351c80ba1",
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    "signer": "0x46e88C1F594C800380e9AAfcD093Fb4194dBB19B",
    "userId": "77856"
  }
}