{
  "manageEntity": {
    "action": "Delete",
    "entityId": "576245202",
    "entityType": "Track",
    "nonce": "0x9b296b6970cedc16174d804586afa401b6bd6889dc29e5ffe32e92836efe307a",
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    "signer": "0xb35BA1eC16aAf0e4f06023eD62400E7F792ce1c1",
    "userId": "48830"
  }
}