{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfe927b9f571e02b7acd12d811dfe5f9fdd63970c3ec1b0b5be7e1f6695aa8bb0",
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}