{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x68db1f2c4b473b14e60b1c3d7f5cb95f32392d72b0dc784da3871ce68fc91661",
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}