{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7ab659c3c04f3ed1eea8dbb82142c760930df8c3d976fbb9540e606aaf8e5cb8",
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}