{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd5d34c050e6ecbcd729769e0f0eea5c1fd5326a59d0dd152ce7ecf976642db45",
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}