{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x08cacfe3d1937a15be8a28dd11f5cc3f46ce5af592e48220927455276256439b",
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}