{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1a93e12332430a674c2115364f0f4b37aad3ed4b71aaff0a66d05c369c5c238e",
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}