{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x64bf69968650bdad01fb1b2d00c1d46ef2131a17b0ecbd994b220974aec2aa8b",
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}