{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4e895005d2a9752ae01a8f627a886e9f25f215e86884ad907495d3b555792764",
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}