{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1cfae92e5631af0e07456b6c86242291dcc94ae591c7ca183574d440a2a30822",
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}