{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x96103927ca10ada797baaefc8aa1966ff4c1263fa9e28288aeef1a74813f9b2b",
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}