{
  "manageEntity": {
    "action": "Save",
    "entityId": "1212958300",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3e60c9a6ee04e0aaf1c2ab9627e7cb2af03dad0effe40609b56ede3a3e70bacf",
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}