{
  "manageEntity": {
    "action": "Save",
    "entityId": "777445617",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd0eb6f6bb711fe9941e5f5b0fe55f342dca185435453511b8efdc258d92ced17",
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}