{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7a91f42f6b82c7d7e38c419cfdcddbd30116deeecf3cc6a4811c48e1eb047565",
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}