{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8cf1046b47e0e2888299be5dd5a394a31319f60c7726cf8e766d001bb955e5c7",
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}