{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x81c2e2d02cecdd829a875daee229844fb45971494c2bed57d7832b5c4e2da5f3",
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}