{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x095e3c926f473ca6fa63f0b8426bdfb57f5db26a512b9c2480d35a1aef33c084",
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}