{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfe81d4d9b9957537bb3dd8010b0e7454ed156f9f2356055b08666739cfa08498",
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}