{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x58dddb039f81617403183a50e4e1e9c23f0bbb09b81f0ba717f20e75f1d0ef7c",
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}