{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdc15fc6ec802e3392a62b4d1d9174a68d6b6b7ac1054fb2e5460db2d52b43962",
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}