{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0ec245faee9b76efa2d4012f2ccf112b29455a2e6753e5f3208511a026dc5713",
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}