{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1b6b5f6ddc3ea29837f278966327408ec6b9b25d8eb601d0f65cf9be4ad147ac",
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}