{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb1400f4cf6eec2c5bb0f2856960053c73d74867eba641a73af6c9bd28a80ea18",
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}