{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1fa33883fc4d088e17503a7b7893d0c3e60e592b073cf0f9ea13712388ea97a3",
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}