{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb5463349b2684f1217a73bab47a4cb3f51242220029c5cf0a472c5882556bbb7",
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}