{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1c6db7953b01391f16d9f631da199abfb6ad1370ccfcb5f7cf45bfae9db24300",
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}