{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5ccee26e754e3af4d0bb47dbad798893f251107ee0c3d5808eec1a59e47c8950",
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}