{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0910240ee9688f91c6e3c43ac59c5cdd4471696fd0bd362c73238cc1dc1b73bc",
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}