{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x535facc752399f4e586ce7d151b2584f9ccea9e9d7d65a3dbc1f9604385b704c",
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}