{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x99dd8a7932f70f6eb90ea2a692b9d919b5b3fbd134277086e877f6d1ed6c4b74",
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}