{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x149bc0bb615f9d5ab06fa732a23bc9c571369cabf82174474cb47353a66f63c3",
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}