{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x46523d91f0d9dc787e44150b3966ea52738996e944ee4a8c0df99092303baafe",
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}