{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x327e3d1239835f1f43f422bb9fc791d5b983d0ae4e5a92884cc6a1579d6ac5ab",
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}