{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x77581b8f88ab7cefed6f2b21c93ee74af810402253b8414ac95bc2701eb3c320",
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}