{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x216638089ec357e5dc4f8562bbcead10a4bb6742899336235a6333e97a5b9e20",
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}