{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8d1c88b5168c7731998af05d50a73acb64455621bd1494f2f0b7a6c06a60690a",
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}