{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcb253629bb5eb79c7df3a40d0f8a07e205ca4c45b7dc570eed3ca6fa576f3887",
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}