{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x33aa3e1d6d8d10e02f6d44c88b170012131ba9e8e89e1269ade95433781b2d68",
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}