{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x20dbdd3eee58b47743e897a1117eea49e7e778669fc1672a0c9cac925587fc11",
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}