{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4ceade60f3f65088d30583f55d1e1ed04d750f4264094a0e6a8497e9f98746e1",
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}