{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3f4d49b9fb6c3524f1590cb78ed57b571daa1605df502cd37ee9b00257b1b6bd",
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}