{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb78f947cceb12f262c45ff22e1d46c7194b863e42170bc80af54ae23076426e6",
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}